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