I have to say I tried it on my bawls and it wasn't half bad. "Kinda niiiiiiice" >Borat impression< I did not shave though, I keep it trimmed with clippers but never get skin-close. I don't think the shaving is at all necessary.
if any of you want a sweet deal on RS transaderm look at my signature. click the link and use that code.. g2g. i have several clients on the stuff and they absolutely love it