This gadget is to move a wheelchair in place for fitness purposes. It consists of 2 rollers made of tubes that carry the wheelchair, a chain and a flying wheel that extends the movement of the user. To enter or more precisely climb the gadget, there is a brake and a ramp. Unclimbing or leaving the g...By: kabelbaum255
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from Instructables: exploring - featured http://ift.tt/1P8IOSA
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