GrantSA29 said:...has their feet fastened, quite securely, between two padded grips. These are locked in place around the persons ankles. They are, in other words, very securely locked in. You'll see from the attached photo that one grip sits behind the heel, while the other actually sits on top of the foot. This has the added advantage of severely restricting the movement of the feet; in that way it's much more constraining than a set of stocks.
GrantSA29 said:Nymph, don't worry about the requests - no problem; PM me. And Storm Cat thanks for the generous comments. Your prediction about leaving the soles precariously exposed while any real movement is restricted to the toes is very accurate.