{HEAD ~ The insert} can include a detachable cover for the back and seat portions alone or for {TAIL ~ the back, seat and leg portions} of the body 
{ HEAD ~ The insert } can include a detachable cover for the back and seat portions alone or for { TAIL ~ the back , seat and leg portions } of the body
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH