MACRO equipslot

Equips an item in your inventory to a specific slot. /equipslot [options] InvSlot item /equipslot [options] InvSlot bagID slot

Arguments

 * InvSlot : The numeric slot on your character to equip the item to.
 * item : The name of the item to be equipped.
 * BagID slot : The bag the item is in (0 is backpack, etc...), and the bag slot number, starting at 1.