Interesting...maybe H2C can explain the engineering of this thing...

User = Hannah Hilton.

Those are some nice cans.Almost like smaller versions of Giannas.

I'll give this a go, even though I am an electrical not a mechanical.

The point at which the dildo pivots up and the your arm pivots down, is known as a fulcrum. Notice the short half of the lever, the shorter it is the less power can be transfered to the dildo, perfect amount of power thrust for a female, but someone like Germy Steal or Rian Knoxx, would require one at least a foot longer, in order to get enough force and length of stroke for the much larger 12" dildos they so desire.

Hope this helps brah.

Quote:

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Rian Knoxx

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I remember seeing a trailer for an online scene with a girl riding a bicycle that had a moving dildo up through the bicycle seat kind of contraption. As she peddled the dil went up and down. I think she wore a dress, no panties of course, and rode the bike around. The idea of it was pretty hot. Her riding around in public boned under her dress with no one the wiser. It may have been a COHF clip. I can't remember, but it looked pretty sweet.

I'm surprised Japan and/or Germany haven't launched a "jondra" of contraption porn, based on such clever devices, Rube Goldberg setups and/or M.C. Escher illusions...