In reply to Andy Johnson:
> I did the same. Read "releasable rappel" and "single strand" and hit the back button as fear took me in its icy grip.
I watched a video of it, out of interest. Think I'd only ever use one as an emergency option, if you had no choice ab'ing off an overhang.
Otherwise, nah, not for me.
> As a Christmas present it would feel a bit like being given a base-jumping wingsuit. But cheaper I guess.
I'd prefer the wingsuit - but then I used to skydive.