on rightclick with bone:
    cancel event
    equip player with grass
    remove 1 bone from player
on rightclick with paper:
    cancel event
    equip player with glass
    remove 1 paper from player
on rightclick with book:
    cancel event
    equip player with ender chest
    remove 1 book from player
on rightclick with blaze rod:
    cancel event
    equip player with tnt
    remove 1 blaze rod from player
on rightclick with emerald:
    cancel event
    equip player with ice
    remove 1 emerald from player