Minecraft wiki entry for Curse_of_Binding, associated text: All mobs also follow the curse of binding; for example, if wearing a leather helmet enchanted with curse of binding, they cannot take it off to equip their preferred netherite helmet if they found one. A player cannot remove the enchantment using a grindstone or crafting table; instead, the item returns to the player still cursed. However, if the cursed item is a pumpkin or mob head, placing and breaking the head removes the curse.