Gravity is pretty cool, as long as you treat it with respect. One cool aspect of gravity is when you can suspend yourself, for example by using a hammock - especially a Hennessy camping hammock! I have never seen the hammock concept used for a bike seat, that is until Josh sent us the following. He dubbed it the "butt sling" and I think it is an appropriate description. If others have seen such a concept used, feel free to comment or contact us for posting. Thanks Josh!
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I saw this incredible seat at a Critical Mass event in Detroit last month. The woman who had it loved it and was getting lots of compliments on it. It seems to be a wide U shaped piece of tubing welded to a seat post with straps forming a sort-of "buttsling" covered by a hand-knit comfortcover. (new words I made up to convey the awesomeness of this thing). I have shown it to a couple friends who say that they've seen something like it before but it seemed like a new awesome Bike hack to me!
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I sent you a picture about a year ago of a bike with a homebuilt PVC surfboard rack I saw in La Jolla. I'm thinking that this would make a perfect addition to the ultimate beach bike!