move new star for hand

i like a persistent for move Royal Star id:25759 for hand

local MainBP = "green backpack"

local AmmoId = 25759



if itemcount(AmmoId, MainBP) > 0 then

	while itemcount(AmmoId, "rhand") == 0 do

		equipitem(AmmoId, "rhand", 100)

		waitping()

	end

end

dont work :(
i change only backpack, but not works