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