diff --git a/code/game/objects/items/storage/storage_base.dm b/code/game/objects/items/storage/storage_base.dm
index 17e1f10ec7b..3bd61ec3c10 100644
--- a/code/game/objects/items/storage/storage_base.dm
+++ b/code/game/objects/items/storage/storage_base.dm
@@ -186,6 +186,8 @@
 
 /obj/item/storage/AltClick(mob/user)
 	if(ishuman(user) && Adjacent(user) && !user.incapacitated(FALSE, TRUE))
+		if(attached_bits.len > 0)
+			..()
 		open(user)
 		add_fingerprint(user)
 	else if(isobserver(user))
@@ -631,6 +633,8 @@
 	var/turf/T = get_turf(src)
 	hide_from(user)
 	for(var/obj/item/I in contents)
+		if(I & attached_bits)
+			continue
 		remove_from_storage(I, T)
 		I.scatter_atom()
 		CHECK_TICK
diff --git a/code/game/objects/items/weapons/kitchen.dm b/code/game/objects/items/weapons/kitchen.dm
index fcf08c8221e..28505a6153b 100644
--- a/code/game/objects/items/weapons/kitchen.dm
+++ b/code/game/objects/items/weapons/kitchen.dm
@@ -122,6 +122,8 @@
 /obj/item/kitchen/knife/Initialize(mapload)
 	. = ..()
 	AddComponent(/datum/component/surgery_initiator/robo)
+	RegisterSignal(src, COMSIG_BIT_ATTACH, PROC_REF(add_bit))
+	RegisterSignal(src, COMSIG_CLICK_ALT, PROC_REF(remove_bit))
 
 /obj/item/kitchen/knife/suicide_act(mob/user)
 	user.visible_message(pick("<span class='suicide'>[user] is slitting [user.p_their()] wrists with [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>", \
diff --git a/code/game/objects/items/weapons/storage/bags.dm b/code/game/objects/items/weapons/storage/bags.dm
index 9322bfddd4b..a9ac3aeafda 100644
--- a/code/game/objects/items/weapons/storage/bags.dm
+++ b/code/game/objects/items/weapons/storage/bags.dm
@@ -265,6 +265,11 @@
 	icon_state = "portaseeder"
 	origin_tech = "biotech=3;engineering=2"
 
+/obj/item/storage/bag/plants/portaseeder/Initialize(mapload)
+	. = ..()
+	RegisterSignal(src, COMSIG_BIT_ATTACH, PROC_REF(add_bit))
+	RegisterSignal(src, COMSIG_CLICK_ALT, PROC_REF(remove_bit))
+
 /obj/item/storage/bag/plants/portaseeder/examine(mob/user)
 	. = ..()
 	if(Adjacent(user))
@@ -275,8 +280,14 @@
 		to_chat(user, "<span class='warning'>[src] has no seeds inside!</span>")
 		return
 	var/had_anything = FALSE
+	var/seed_amount = 1
+	// Multiply seeds by productivity
+	seed_amount = clamp(seed_amount * bit_productivity_mod, 1, 4)
+	// Reduce with low efficiency
+	if(bit_efficiency_mod < 1)
+		seed_amount = max(1, seed_amount * bit_efficiency_mod)
 	for(var/obj/item/O in contents)
-		had_anything |= seedify(O, 1)
+		had_anything |= seedify(O, seed_amount)
 	hide_from_all()
 	if(had_anything)
 		to_chat(user, "<span class='notice'>[src] whirrs a bit as it converts the plants inside to seeds.</span>")
diff --git a/code/modules/food_and_drinks/food_base.dm b/code/modules/food_and_drinks/food_base.dm
index e49cbbf4230..1de21fbd23a 100644
--- a/code/modules/food_and_drinks/food_base.dm
+++ b/code/modules/food_and_drinks/food_base.dm
@@ -348,6 +348,9 @@
 	var/initial_volume = 0 // the total some of reagents this food had initially
 	for(var/ingredient in list_reagents)
 		initial_volume += list_reagents[ingredient]
+
+	// Total slices after factoring in productivity value of the knife
+	slices_num = clamp(slices_num * used.bit_productivity_mod, 1, round(slices_num * 2.5))
 	// we want to account for how much has been eaten already, reduce slices by how is left vs. how much food we started with
 	slices_num = clamp(slices_num * (reagents.total_volume / initial_volume), 1, slices_num)
 	var/slices_lost
@@ -362,6 +365,9 @@
 			"<span class='notice'>You crudely slice [src] with [used], destroying some in the process!</span>"
 		)
 		slices_lost = rand(1, min(1, round(slices_num / 2)))
+	// Low efficiency means more loss.
+	if(used.bit_efficiency_mod < 1)
+		slices_lost = slices_num * (1 - used.bit_efficiency_mod)
 	var/reagents_per_slice = reagents.total_volume/slices_num
 	for(var/i in 1 to (slices_num - slices_lost))
 		var/obj/slice = new slice_path (loc, TRUE)
diff --git a/code/modules/smithing/machinery/kinetic_assembler.dm b/code/modules/smithing/machinery/kinetic_assembler.dm
index b7f47bda051..db7baf5d18a 100644
--- a/code/modules/smithing/machinery/kinetic_assembler.dm
+++ b/code/modules/smithing/machinery/kinetic_assembler.dm
@@ -23,7 +23,7 @@
 		/obj/item/smithed_item/tool_bit
 	)
 	/// Amount of extra items made in batches
-	var/batch_extras = 2
+	var/batch_extras = 1
 
 /obj/machinery/smithing/kinetic_assembler/Initialize(mapload)
 	. = ..()
@@ -251,14 +251,18 @@
 	playsound(src, 'sound/magic/fellowship_armory.ogg', 50, TRUE)
 	finished_product.forceMove(src.loc)
 	SSblackbox.record_feedback("tally", "smith_assembler_production", 1, "[finished_product.type]")
+	// Modify based on productivity
+	var/total_extras = clamp(round(1 * i.bit_productivity_mod / 2), 0, 2)
 	if(is_type_in_typecache(finished_product, batched_item_types))
-		for(var/iterator in 1 to batch_extras)
-			var/obj/item/smithed_item/extra_product = new finished_product.type(src.loc)
-			extra_product.quality = finished_product.quality
-			extra_product.material = finished_product.material
-			extra_product.set_stats()
-			extra_product.update_appearance(UPDATE_NAME)
-			extra_product.scatter_atom()
+		total_extras += clamp(round(batch_extras * i.bit_productivity_mod / 2), 1, 4)
+	for(var/iterator in 1 to total_extras)
+		var/obj/item/smithed_item/extra_product = new finished_product.type(src.loc)
+		extra_product.quality = finished_product.quality
+		extra_product.material = finished_product.material
+		extra_product.set_stats()
+		extra_product.update_appearance(UPDATE_NAME)
+		extra_product.scatter_atom()
+
 	finished_product = null
 
 // MARK: Scientific Assembler
diff --git a/code/modules/smithing/smithed_items/tool_bits.dm b/code/modules/smithing/smithed_items/tool_bits.dm
index e7dc5853088..8d1b22b7342 100644
--- a/code/modules/smithing/smithed_items/tool_bits.dm
+++ b/code/modules/smithing/smithed_items/tool_bits.dm
@@ -147,6 +147,7 @@
 	speed_mod = -1
 	failure_rate = -20
 	durability = 300
+	productivity_mod = 4
 	quality = /datum/smith_quality/masterwork
 	material = /datum/smith_material/platinum