Chris, what a good question!
Not having had my RIB for very long, I sort of ask the same question, but...
Originally posted by Chris Murray
are they adjustable in terms of "size" and position?
This I can answer... they are made from 2" velcro, so adjustable to a particular foot size, and there are two pairs of them on either side, a pair in the sitting position and a pair in the standing position. And Mr Jelley seems to have a good idea of where to place them.
You really do sound like a prospective Scorpion owner to me!