Hell Yes its a gimmick! What serious purpose does this have execpt for ignorant aging baby boomer dads who think it will put a spring in their step? Would'nt there have to some kind of damping mechanism to absorb the shock from your foot impacting the ground?
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Hell Yes its a gimmick! What serious purpose does this have execpt for ignorant aging baby boomer dads who think it will put a spring in their step?
Would'nt there have to some kind of damping mechanism to absorb the shock from your foot impacting the ground?