So this seems to be one of the suggested converters in the Wireless Daulshock 3 Controllers are Banned article.
http://www.amazon.com/PS2-Controller-Converter-Adapter-Playstation-2/dp/B000NPSAJU/ref=sr_1_4?ie=UTF8&qid=1309985352&sr=8-4
I tried some google searching but I can’t seem to find any information for it. What’s its story?