diff --git a/code/game/objects/items.dm b/code/game/objects/items.dm
index 87ab21e610..1d24074caa 100644
--- a/code/game/objects/items.dm
+++ b/code/game/objects/items.dm
@@ -239,198 +239,124 @@
 /obj/item/proc/equipped(var/mob/user, var/slot)
 	return
 
+//Defines which slots correspond to which slot flags
+var/list/global/slot_flags_enumeration = list(
+	"[slot_wear_mask]" = SLOT_MASK,
+	"[slot_back]" = SLOT_BACK,
+	"[slot_wear_suit]" = SLOT_OCLOTHING,
+	"[slot_gloves]" = SLOT_GLOVES,
+	"[slot_shoes]" = SLOT_FEET,
+	"[slot_belt]" = SLOT_BELT,
+	"[slot_glasses]" = SLOT_EYES,
+	"[slot_head]" = SLOT_HEAD,
+	"[slot_l_ear]" = SLOT_EARS|SLOT_TWOEARS,
+	"[slot_r_ear]" = SLOT_EARS|SLOT_TWOEARS,
+	"[slot_w_uniform]" = SLOT_ICLOTHING,
+	"[slot_wear_id]" = SLOT_ID,
+	"[slot_tie]" = SLOT_TIE,
+	)
+
 //the mob M is attempting to equip this item into the slot passed through as 'slot'. Return 1 if it can do this and 0 if it can't.
 //If you are making custom procs but would like to retain partial or complete functionality of this one, include a 'return ..()' to where you want this to happen.
 //Set disable_warning to 1 if you wish it to not give you outputs.
+//Should probably move the bulk of this into mob code some time, as most of it is related to the definition of slots and not item-specific
 /obj/item/proc/mob_can_equip(M as mob, slot, disable_warning = 0)
 	if(!slot) return 0
 	if(!M) return 0
 
-	if(ishuman(M))
-		//START HUMAN
-		var/mob/living/carbon/human/H = M
-		var/list/mob_equip = list()
-		if(H.species.hud && H.species.hud.equip_slots)
-			mob_equip = H.species.hud.equip_slots
+	if(!ishuman(M)) return 0
+	
+	var/mob/living/carbon/human/H = M
+	var/list/mob_equip = list()
+	if(H.species.hud && H.species.hud.equip_slots)
+		mob_equip = H.species.hud.equip_slots
 
-		if(H.species && !(slot in mob_equip))
+	if(H.species && !(slot in mob_equip))
+		return 0
+	
+	//First check if the item can be equipped to the desired slot.
+	if("[slot]" in slot_flags_enumeration)
+		var/req_flags = slot_flags_enumeration["[slot]"]
+		if(!(req_flags & slot_flags))
 			return 0
+	
+	//Next check that the slot is free
+	if(H.get_equipped_item(slot))
+		return 0
+	
+	//Next check if the slot is accessible.
+	var/mob/_user = disable_warning? null : H
+	if(!H.slot_is_accessible(slot, src, _user))
+		return 0
+	
+	//Lastly, check special rules for the desired slot.
+	switch(slot)
+		if(slot_l_ear, slot_r_ear)
+			var/slot_other_ear = (slot == slot_l_ear)? slot_r_ear : slot_l_ear
+			if( (w_class > 1) && !(slot_flags & SLOT_EARS) )
+				return 0
+			if( (slot_flags & SLOT_TWOEARS) && H.get_equipped_item(slot_other_ear) )
+				return 0
+		if(slot_wear_id)
+			if(!H.w_uniform && (slot_w_uniform in mob_equip))
+				if(!disable_warning)
+					H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
+				return 0
+		if(slot_l_store, slot_r_store)
+			if(!H.w_uniform && (slot_w_uniform in mob_equip))
+				if(!disable_warning)
+					H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
+				return 0
+			if(slot_flags & SLOT_DENYPOCKET)
+				return 0
+			if( w_class > 2 && !(slot_flags & SLOT_POCKET) )
+				return 0
+		if(slot_s_store)
+			if(!H.wear_suit && (slot_wear_suit in mob_equip))
+				if(!disable_warning)
+					H << "<span class='warning'>You need a suit before you can attach this [name].</span>"
+				return 0
+			if(!H.wear_suit.allowed)
+				if(!disable_warning)
+					usr << "<span class='warning'>You somehow have a suit with no defined allowed items for suit storage, stop that.</span>"
+				return 0
+			if( !(istype(src, /obj/item/device/pda) || istype(src, /obj/item/weapon/pen) || is_type_in_list(src, H.wear_suit.allowed)) )
+				return 0
+		if(slot_handcuffed)
+			if(!istype(src, /obj/item/weapon/handcuffs))
+				return 0
+		if(slot_legcuffed)
+			if(!istype(src, /obj/item/weapon/legcuffs))
+				return 0
+		if(slot_in_backpack) //used entirely for equipping spawned mobs or at round start
+			var/allow = 0
+			if(H.back && istype(H.back, /obj/item/weapon/storage/backpack))
+				var/obj/item/weapon/storage/backpack/B = H.back
+				if(B.contents.len < B.storage_slots && w_class <= B.max_w_class)
+					allow = 1
+			if(!allow)
+				return 0
+		if(slot_tie)
+			if(!H.w_uniform && (slot_w_uniform in mob_equip))
+				if(!disable_warning)
+					H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
+				return 0
+			var/obj/item/clothing/under/uniform = H.w_uniform
+			if(uniform.accessories.len && !uniform.can_attach_accessory(src))
+				if (!disable_warning)
+					H << "<span class='warning'>You already have an accessory of this type attached to your [uniform].</span>"
+				return 0
+	return 1
 
-		switch(slot)
-			if(slot_l_hand)
-				if(H.l_hand)
-					return 0
-				return 1
-			if(slot_r_hand)
-				if(H.r_hand)
-					return 0
-				return 1
-			if(slot_wear_mask)
-				if(H.wear_mask)
-					return 0
-				if(H.head && !(H.head.canremove) && (H.head.flags & HEADCOVERSMOUTH))
-					if(!disable_warning)
-						H << "<span class='warning'>\The [H.head] is in the way.</span>"
-					return 0
-				if( !(slot_flags & SLOT_MASK) )
-					return 0
-				return 1
-			if(slot_back)
-				if(H.back)
-					return 0
-				if( !(slot_flags & SLOT_BACK) )
-					return 0
-				return 1
-			if(slot_wear_suit)
-				if(H.wear_suit)
-					return 0
-				if( !(slot_flags & SLOT_OCLOTHING) )
-					return 0
-				return 1
-			if(slot_gloves)
-				if(H.gloves)
-					return 0
-				if( !(slot_flags & SLOT_GLOVES) )
-					return 0
-				return 1
-			if(slot_shoes)
-				if(H.shoes)
-					return 0
-				if( !(slot_flags & SLOT_FEET) )
-					return 0
-				return 1
-			if(slot_belt)
-				if(H.belt)
-					return 0
-				if(!H.w_uniform && (slot_w_uniform in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
-					return 0
-				if( !(slot_flags & SLOT_BELT) )
-					return
-				return 1
-			if(slot_glasses)
-				if(H.glasses)
-					return 0
-				if(H.head && !(H.head.canremove) && (H.head.flags & HEADCOVERSEYES))
-					if(!disable_warning)
-						H << "<span class='warning'>\The [H.head] is in the way.</span>"
-					return 0
-				if( !(slot_flags & SLOT_EYES) )
-					return 0
-				return 1
-			if(slot_head)
-				if(H.head)
-					return 0
-				if( !(slot_flags & SLOT_HEAD) )
-					return 0
-				return 1
-			if(slot_l_ear)
-				if(H.l_ear)
-					return 0
-				if( (w_class > 1) && !(slot_flags & SLOT_EARS) )
-					return 0
-				if( (slot_flags & SLOT_TWOEARS) && H.r_ear )
-					return 0
-				return 1
-			if(slot_r_ear)
-				if(H.r_ear)
-					return 0
-				if( (w_class > 1) && !(slot_flags & SLOT_EARS) )
-					return 0
-				if( (slot_flags & SLOT_TWOEARS) && H.l_ear )
-					return 0
-				return 1
-			if(slot_w_uniform)
-				if(H.w_uniform)
-					return 0
-				if(H.wear_suit && (H.wear_suit.body_parts_covered & src.body_parts_covered))
-					if(!disable_warning)
-						H << "<span class='warning'>\The [H.wear_suit] is in the way.</span>"
-					return 0
-				if( !(slot_flags & SLOT_ICLOTHING) )
-					return 0
-				return 1
-			if(slot_wear_id)
-				if(H.wear_id)
-					return 0
-				if(!H.w_uniform && (slot_w_uniform in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
-					return 0
-				if( !(slot_flags & SLOT_ID) )
-					return 0
-				return 1
-			if(slot_l_store)
-				if(H.l_store)
-					return 0
-				if(!H.w_uniform && (slot_w_uniform in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
-					return 0
-				if(slot_flags & SLOT_DENYPOCKET)
-					return 0
-				if( w_class <= 2 || (slot_flags & SLOT_POCKET) )
-					return 1
-			if(slot_r_store)
-				if(H.r_store)
-					return 0
-				if(!H.w_uniform && (slot_w_uniform in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
-					return 0
-				if(slot_flags & SLOT_DENYPOCKET)
-					return 0
-				if( w_class <= 2 || (slot_flags & SLOT_POCKET) )
-					return 1
-				return 0
-			if(slot_s_store)
-				if(H.s_store)
-					return 0
-				if(!H.wear_suit && (slot_wear_suit in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a suit before you can attach this [name].</span>"
-					return 0
-				if(!H.wear_suit.allowed)
-					if(!disable_warning)
-						usr << "<span class='warning'>You somehow have a suit with no defined allowed items for suit storage, stop that.</span>"
-					return 0
-				if( istype(src, /obj/item/device/pda) || istype(src, /obj/item/weapon/pen) || is_type_in_list(src, H.wear_suit.allowed) )
-					return 1
-				return 0
-			if(slot_handcuffed)
-				if(H.handcuffed)
-					return 0
-				if(!istype(src, /obj/item/weapon/handcuffs))
-					return 0
-				return 1
-			if(slot_legcuffed)
-				if(H.legcuffed)
-					return 0
-				if(!istype(src, /obj/item/weapon/legcuffs))
-					return 0
-				return 1
-			if(slot_in_backpack)
-				if (H.back && istype(H.back, /obj/item/weapon/storage/backpack))
-					var/obj/item/weapon/storage/backpack/B = H.back
-					if(B.contents.len < B.storage_slots && w_class <= B.max_w_class)
-						return 1
-				return 0
-			if(slot_tie)
-				if(!H.w_uniform && (slot_w_uniform in mob_equip))
-					if(!disable_warning)
-						H << "<span class='warning'>You need a jumpsuit before you can attach this [name].</span>"
-					return 0
-				var/obj/item/clothing/under/uniform = H.w_uniform
-				if(uniform.accessories.len && !uniform.can_attach_accessory(src))
-					if (!disable_warning)
-						H << "<span class='warning'>You already have an accessory of this type attached to your [uniform].</span>"
-					return 0
-				if( !(slot_flags & SLOT_TIE) )
-					return 0
-				return 1
-		return 0 //Unsupported slot
-		//END HUMAN
+/obj/item/proc/mob_can_unequip(mob/M, slot, disable_warning = 0)
+	if(!slot) return 0
+	if(!M) return 0
+	
+	if(!canremove)
+		return 0
+	if(!M.slot_is_accessible(slot, src, disable_warning? null : M))
+		return 0
+	return 1
 
 /obj/item/verb/verb_pickup()
 	set src in oview(1)
diff --git a/code/modules/mob/inventory.dm b/code/modules/mob/inventory.dm
index 0d20e00166..026773b9c7 100644
--- a/code/modules/mob/inventory.dm
+++ b/code/modules/mob/inventory.dm
@@ -58,6 +58,10 @@ var/list/slot_equipment_priority = list( \
 		slot_r_store\
 	)
 
+//Checks if a given slot can be accessed at this time, either to equip or unequip I
+/mob/proc/slot_is_accessible(var/slot, var/obj/item/I, mob/user=null)
+	return 1
+
 //puts the item "W" into an appropriate slot in a human's inventory
 //returns 0 if it cannot, 1 if successful
 /mob/proc/equip_to_appropriate_slot(obj/item/W)
@@ -143,7 +147,8 @@ var/list/slot_equipment_priority = list( \
 		W.dropped()
 		return 0
 
-// Removes an item from inventory and places it in the target atom
+// Removes an item from inventory and places it in the target atom.
+// If canremove or other conditions need to be checked then use unEquip instead.
 /mob/proc/drop_from_inventory(var/obj/item/W, var/atom/Target = null)
 	if(W)
 		if(!Target)
@@ -201,7 +206,13 @@ var/list/slot_equipment_priority = list( \
 	if(!I) //If there's nothing to drop, the drop is automatically successful.
 		return 1
 
-	if(!I.canremove && !force)
+	var/slot
+	for(var/s in slot_back to slot_tie) //kind of worries me
+		if(get_equipped_item(s) == I)
+			slot = s
+			break
+
+	if(slot && !I.mob_can_unequip(src, slot))
 		return 0
 
 	remove_from_mob(I)
@@ -220,6 +231,15 @@ var/list/slot_equipment_priority = list( \
 	return 1
 
 
+//Returns the item equipped to the specified slot, if any.
+/mob/proc/get_equipped_item(var/slot)
+	switch(slot)
+		if(slot_l_hand) return l_hand
+		if(slot_r_hand) return r_hand
+		if(slot_back) return back
+		if(slot_wear_mask) return wear_mask
+	return null
+
 //Outdated but still in use apparently. This should at least be a human proc.
 /mob/proc/get_equipped_items()
 	var/list/items = new/list()
diff --git a/code/modules/mob/living/carbon/human/inventory.dm b/code/modules/mob/living/carbon/human/inventory.dm
index 5484508fe7..6ecaaa1704 100644
--- a/code/modules/mob/living/carbon/human/inventory.dm
+++ b/code/modules/mob/living/carbon/human/inventory.dm
@@ -317,6 +317,48 @@ This saves us from having to call add_fingerprint() any time something is put in
 
 	return 1
 
+//Checks if a given slot can be accessed at this time, either to equip or unequip I
+/mob/living/carbon/human/slot_is_accessible(var/slot, var/obj/item/I, mob/user=null)
+	var/obj/item/covering = null
+	var/check_flags = 0
+	
+	switch(slot)
+		if(slot_wear_mask)
+			covering = src.head
+			check_flags = HEADCOVERSMOUTH
+		if(slot_glasses)
+			covering = src.head
+			check_flags = HEADCOVERSEYES
+		if(slot_gloves, slot_w_uniform)
+			covering = src.wear_suit
+	
+	if(covering)
+		if((covering.body_parts_covered & I.body_parts_covered) || (covering.flags & check_flags))
+			user << "<span class='warning'>\The [covering] is in the way.</span>"
+			return 0
+	return 1
+
+/mob/living/carbon/human/get_equipped_item(var/slot)
+	switch(slot)
+		if(slot_wear_suit) return wear_suit
+		if(slot_gloves) return gloves
+		if(slot_shoes) return shoes
+		if(slot_belt) return belt
+		if(slot_glasses) return glasses
+		if(slot_head) return head
+		if(slot_l_ear) return l_ear
+		if(slot_r_ear) return r_ear
+		if(slot_w_uniform) return w_uniform
+		if(slot_wear_id) return wear_id
+		if(slot_l_store) return l_store
+		if(slot_r_store) return r_store
+		if(slot_s_store) return s_store
+		if(slot_handcuffed) return handcuffed
+		if(slot_legcuffed) return legcuffed
+	return ..()
+
+///Bizarre equip effect system below
+
 /*
 	MouseDrop human inventory menu
 */