There's actually enough options out there to get ones head spinning.
Anyone interested in watching Luna suffer should check out some of her tickle torture videos. I agree that most of them are, but now and then one features a lovely naked girl who is actually made to suffer....wiggling helplessly and screaming her head off. Luna is willing to go there, and sometimes she's even left crying at the end. Check out the sample clips on these pages featuring Luna and tell me they look lame...
Ralphus wrote: Damsels in distress are an integral part of the mass media culture.
Usually if people see the damage to the skin, they realize what's going on and will stop.
Rubber bands to the foot sounds harmless to most people who have never experienced it.
Why not vary the part of the body that receives pain?
Begin the the soles, then thighs, ass, back, and breast?
Do you even know what spontaneous combustion is, JD? One can find without much difficulty contemporary illustrations of men AND women publicly executed naked, such as in this example.