What is it, and what does it do? Anyways, yeah, just clean the shit out of it with some isopropyl alcohol. And buy some wire mesh, like the filters for faucets, and put some of that in there as a screen.
if you can fill that hole so weed don't fall out, then yeah edit* i meant fill it so weed don't fall through
probably gonna burn your face off lighting it.. but yeah why not? steal a screen from your sink tap and burn it first before you stick it in there.
He's not smoking out of the metal thing, he's going to put it in a bottle or something, and make a ghetto bong.