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