Slim Combination Lock for Standard Slot

I am making a game where I want to have certain items unable to be moved from the hotbar slot they're in, how can I do this?

Locks for casino slot machines The DOM ENiQ Pro V2 digital smartlock cylinder is part of the ENiQ Ecosystem, accepts Mifare RFID transponders and DOM Mobile

slot store Slot Lock Mod introduces a new feature to the game, and you can lock the item slot in the inventory

slot bonanza The Noble Wedge lock system improves on legacy locks by decreasing the footprint needed for the security slot built into the laptop or tablet device Thus this