i made some out of shoe they were ok, i gave em to "i lost my shoe" to try out, he said he'd send em back or send me some spare backings, but as of yet, nout
your the mug k max or somthing like that, kwicksaves own brang, 50p for 1.5 liters, its acidic stuff though, make sure you eat somthing with it. failing that http://www.wiggle.co.uk/?ProductID=5360012767