They take some getting used to and can be a wee bit strange to see....and putting them in takes practice...but they feel amazing....and are well worth the cost.

I use FC2's with Gun Oil Silicon lube....

sessions using the female condom. Never tried it, but read that it has its benefits!!!

http://www.youtube.com/watch?v=LRZH5ASO-eM&feature=related

and love them.  It feels like there is almost nothing there.  Also adds to the fun, you can switch between activities and not have to worry about putting another cover on.