Accordingly, the present invention comprises various embodiments of a liquid powered dynamometric generator built into a shoe which has {HEAD ~ at least two layers} as {TAIL ~ part} of its sole 
as
Accordingly , the present invention comprises various embodiments of a liquid powered dynamometric generator built into a shoe which has { HEAD ~ at least two layers } as { TAIL ~ part } of its sole
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH