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