{HEAD ~ An insert} for {TAIL ~ a child or infant car seat} has at least a back portion, a seat portion and a leg portion 
for
{ HEAD ~ An insert } for { TAIL ~ a child or infant car seat } has at least a back portion , a seat portion and a leg portion
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH