Riding with BMX pedals?

those archie's ones are stunning tho. I imagine it's the same material as bag straps. Is there anywhere you can get car seatbelts as I figure they may be pretty strong for home made powergrips. Maybe this http://cgi.ebay.co.uk/Carpoint-seat-belt-Extension-60cm-car-seatbelt-extender_W0QQitemZ230318554276QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item230318554276&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318 cut up and folded over in half? Would be good to make doubilizers too I think

Arthur Beale in Covent Garden area sell webbing by the meter in a bunch of colours.