Left and right fluid conduits 46, 48 communicate respectively with the left and right fluid bladders 24, 26 to bi directionally transfer {HEAD ~ fluid} for {TAIL ~ actuation} 
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Left and right fluid conduits 46 , 48 communicate respectively with the left and right fluid bladders 24 , 26 to bi directionally transfer { HEAD ~ fluid } for { TAIL ~ actuation }
OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL