{HEAD ~ A fluid powered electrical power generating system} comprising a footwear sole with a heel and {TAIL ~ a toe}, the sole comprising: 
{ HEAD ~ A fluid powered electrical power generating system } comprising a footwear sole with a heel and { TAIL ~ a toe } , the sole comprising :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH