"Oh - I'm not sure I could do that!" That was my first response when my husband Ray told me about it. True, we both liked new experiences and discoveries - but I didn't know if I could do this. "There's no contact at all?" "Correct, that's how it works." As soon as Ray told me more, I knew we'd want to try it. It was outrageous. And so unusual. But the mix of fear and excitement and total outrageousness hooked me. Ray was...