How would I be able to add an item to an inventory slot?

Slot PNG Transparent Images Free Download Vector Files inventory slot png Tome of Um : RS3 Inventory image of Tome of Um 2 · Tome of Um, +3 to 6% XP from disturbances · Pocket : RS3 Inventory image of Pocket slot inventory slot Slot positions within the llama inventory vary

warehouse slot Head : RS3 Inventory image of Head slot · Torso : RS3 Inventory image of Torso slot · Legs : RS3 Inventory image of Legs