anyone heard of these, if so what do they do?
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=260648327493&ssPageName=STRK:MESELX:IT#ht_768wt_981
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=260648327493&ssPageName=STRK:MESELX:IT#ht_768wt_981