http://holdfastordie.squarespace.com...-instructions/
http://www.feetbelts.com/images/v4side300.jpg
http://www.feetbelts.com/images/v4top300.jpg

I think they should both work fine, the hold fast FRS would probably a safer bet IMO, as they apparently just slip right through while it looks as though feetbelts need to be screwed on both sides of the pedal. But I could be wrong, just my 2 cents.