{HEAD ~ At least one tension member} emanates from beneath {TAIL ~ the frame} and has a free end passing through the mounting point and back toward the upper surface of the frame 
emanates from beneath
{ HEAD ~ At least one tension member } emanates from beneath { TAIL ~ the frame } and has a free end passing through the mounting point and back toward the upper surface of the frame
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH