{HEAD ~ Leg members} 474 and 476 form {TAIL ~ substantially parallel planes} on either end of hook anchor 464 
{ HEAD ~ Leg members } 474 and 476 form { TAIL ~ substantially parallel planes } on either end of hook anchor 464
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH