Yet, the physics alone can be largely provided by the Flashlight, too, to quite some extent.
What really matters to me is that there is this hot dude who has opened up, and is begging for it. At some point he shoots, and calls "uncle" because he cannot take all that I can give. That's what it really boils down in my books, that is.
The Mechanics are purely mechanical and can be replicated with an array of toys, or even just your hand and a vivid imagination.
It's the interaction of who you're with that seals the deal for me... someone you want to have sex with... and who wants to have it with you... there's a connection there that couples with the mechanics and increases the intensity.
I think a more important question could be how we as a community find use from the tape bottoms use to cover their asses, to prevent itching powder from getting in their cracks, when in an adventurous mood. Surely when we are ready to shower it can be recycled.