found how the top bit stays on:
http://www.glamcheck.com/fashion/2010/12/23/dress-up-your-heels-with-heel-condoms/
A piece of elastic that goes under you're heel. Totally gonna try this....even if i dont wear it...just to see if i can do it!!
Posts by Claire J
wow these are lovely!! Great name if you ask me, as it gets people looking at them!! Idont wear heels often and only have a couple of pairs, but may try making some to vary my limited colours of heels!!