A little thesis, with illustrations, on the history of mechanical devices used for sexual stimulation (does that sound learned enough?) NSFW, of course.

Many a young girl discovers the pleasure of sex by way of an innocent activity that happens to apply pressure to her crotch. Bouncing on Uncle Bob’s knee, frolicking on playground equipment, climbing trees, and horseback riding are good examples, but no machine in our culture has contributed more to the pleasure of young girls than the bicycle.

Bicycles and exercise bikes are popular props in erotic stories. The ride is often enhanced by a specially constructed, sexually stimulating seat, sometimes nothing more than a dildo. In extreme settings the rider is lashed to the bike and must continue pedaling, and thus receiving sexual stimulation, or be subjected to some sort of motivation such as electric shock. I kind of like the idea of a powerful, variable intensity vibrator built into the seat, connected to a control box in such a way that the slower the rider pedals the stronger the vibration. In the beginning the rider may prefer to go slow, but after a few good orgasms the situation will be most conducive to weight loss.

via Fleshbot

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