This was the first time i put them on and they felt a little strange at first at one point I almost topple forward, that's because the cushioning on the palm lifts and tilts you forward a little. Once I got used to them everything felt a little easier and certainly less strain.
That said I wouldn't want to use them in my regular practice, just doesn't feel.......yoga. But if your doing some extra practice they're ideal. Imagine they would be great for those who are doing third series and working on tick tocks (or is it tacks).
Knowing now that the basic idea seems to work, if I found WAGS in the UK then I would probably splash out and get a pair.