Well it worked as I'm posting the link.

Maybe a bit more on display that strictly required.
http://cgi.ebay.co.uk/Water-Bottle-Holder-and-Bum-bag-combined-FP-P_W0QQitemZ140210016145QQihZ004QQ

Complete with ring pull, although you can't see it one the rear view

yep the ring pull worried me a bit!