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