locker and jumpsuit equip sounds.

code/__DEFINES/sound.dm

@@ -123,4 +123,7 @@
 #define SOUND_AREA_SPACE SOUND_ENVIRONMENT_UNDERWATER
 #define SOUND_AREA_LAVALAND SOUND_ENVIRONMENT_MOUNTAINS
 #define SOUND_AREA_ICEMOON SOUND_ENVIRONMENT_CAVE
-#define SOUND_AREA_WOODFLOOR SOUND_ENVIRONMENT_CITY
+#define SOUND_AREA_WOODFLOOR SOUND_ENVIRONMENT_CITY
+
+#define INTERACTION_SOUND_RANGE_MODIFIER -3
+#define EQUIP_SOUND_VOLUME 30

code/game/objects/items.dm

@@ -29,9 +29,13 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	obj_flags = NONE
 	var/item_flags = NONE
 
-	var/hitsound = null
-	var/usesound = null
-	var/throwhitsound = null
+
+	var/hitsound
+	var/usesound
+	var/throwhitsound
+	///Sound used when equipping the item into a valid slot
+	var/equip_sound
+
 	var/w_class = WEIGHT_CLASS_NORMAL
 	var/total_mass //Total mass in arbitrary pound-like values. If there's no balance reasons for an item to have otherwise, this var should be the item's weight in pounds.
 	var/slot_flags = 0		//This is used to determine on which slots an item can fit.
@@ -423,6 +427,9 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 			A.Grant(user)
 	item_flags |= IN_INVENTORY
 
+	if(equip_sound && (slot_flags & slotdefine2slotbit(slot)))
+		playsound(src, equip_sound, EQUIP_SOUND_VOLUME, TRUE, ignore_walls = FALSE)
+
 //sometimes we only want to grant the item's action if it's equipped in a specific slot.
 /obj/item/proc/item_action_slot_check(slot, mob/user)
 	if(slot == SLOT_IN_BACKPACK || slot == SLOT_LEGCUFFED) //these aren't true slots, so avoid granting actions there

code/game/objects/items/storage/belt.dm

@@ -11,6 +11,7 @@
 	max_integrity = 300
 	var/content_overlays = FALSE //If this is true, the belt will gain overlays based on what it's holding
 	var/worn_overlays = FALSE //worn counterpart of the above.
+	equip_sound = 'sound/items/equip/toolbelt_equip.ogg'
 
 /obj/item/storage/belt/suicide_act(mob/living/carbon/user)
 	user.visible_message("<span class='suicide'>[user] begins belting [user.p_them()]self with \the [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")

code/game/objects/structures/crates_lockers/closets.dm

@@ -27,8 +27,8 @@
 	var/mob_storage_capacity = 3 // how many human sized mob/living can fit together inside a closet.
 	var/storage_capacity = 30 //This is so that someone can't pack hundreds of items in a locker/crate then open it in a populated area to crash clients.
 	var/cutting_tool = /obj/item/weldingtool
-	var/open_sound = 'sound/machines/click.ogg'
-	var/close_sound = 'sound/machines/click.ogg'
+	var/open_sound = 'sound/effects/locker_open.ogg'
+	var/close_sound = 'sound/effects/locker_close.ogg'
 	var/material_drop = /obj/item/stack/sheet/metal
 	var/material_drop_amount = 2
 	var/delivery_icon = "deliverycloset" //which icon to use when packagewrapped. null to be unwrappable.

code/modules/clothing/under/_under.dm

@@ -16,6 +16,7 @@
 	var/obj/item/clothing/accessory/attached_accessory
 	var/mutable_appearance/accessory_overlay
 	mutantrace_variation = MUTANTRACE_VARIATION //Are there special sprites for specific situations? Don't use this unless you need to.
+	equip_sound = 'sound/items/equip/jumpsuit_equip.ogg'
 
 /obj/item/clothing/under/worn_overlays(isinhands = FALSE)
 	. = list()
@@ -156,4 +157,4 @@
 			if(SENSOR_COORDS)
 				. += "Its vital tracker and tracking beacon appear to be enabled."
 	if(attached_accessory)
-		. += "\A [attached_accessory] is attached to it." 
+		. += "\A [attached_accessory] is attached to it."