Gives the monkey dexterity message to some stuff.

code/game/objects/items/devices/violin.dm

@@ -19,6 +19,9 @@
 	..()
 
 /obj/item/device/violin/attack_self(mob/user as mob)
+	if(!user.IsAdvancedToolUser())
+		usr << "<span class='danger'>You don't have the dexterity to do this!</span>"
+		return 1
 	interact(user)
 
 /obj/item/device/violin/interact(mob/user as mob)

code/game/objects/structures/musician.dm

@@ -323,8 +323,14 @@
 	..()
 
 /obj/structure/piano/attack_hand(mob/user as mob)
+	if(!user.IsAdvancedToolUser())
+		usr << "<span class='danger'>You don't have the dexterity to do this!</span>"
+		return 1
 	interact(user)
 
+/obj/structure/piano/attack_paw(mob/user as mob)
+	return src.attack_hand(user)
+
 /obj/structure/piano/interact(mob/user as mob)
 	if(!user || !anchored)
 		return

code/game/objects/structures/tank_dispenser.dm

@@ -31,8 +31,13 @@
 		if(1 to 4)	overlays += "plasma-[plasmatanks]"
 		if(5 to INFINITY) overlays += "plasma-5"
 
+/obj/structure/dispenser/attack_paw(mob/user as mob)
+	return src.attack_hand(user)
 
 /obj/structure/dispenser/attack_hand(mob/user as mob)
+	if(!user.IsAdvancedToolUser())
+		usr << "<span class='danger'>You don't have the dexterity to do this!</span>"
+		return 1
 	user.set_machine(src)
 	var/dat = "[src]<br><br>"
 	dat += "Oxygen tanks: [oxygentanks] - [oxygentanks ? "<A href='?src=\ref[src];oxygen=1'>Dispense</A>" : "empty"]<br>"