you could also get a couple of yards of fabric, buy it at self checkout, and fill the roll/fold with small things, and you could demagnitize it witht he demagnitizing strip there, for just that purpose, without attracting too much attention (assuming nothing fell out of folded cloth)
That is absolutely awesome, I would go with you... and contribute of course. EDIT: Snoc, wtf muthafucka!!!!one!!one!1