Many plaster casts and photographs of footprints have been examined in detail which were reportedly made by a species of bipedal primate, the sasquatch or bigfoot. They prove not to be simply enlarged human footprints but show several peculiarities. These include flat arches, a double ball, and enlarged heels. Examination of leverage mechanics of the human foot indicates that with excessive body weight certain modifications would be advantageous. The expected modifications are the same as those seen in the reputed sasquatch footprints.
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