{HEAD ~ The child} or infants head can simply rest against {TAIL ~ the car seat} 16 in this arrangement 
{ HEAD ~ The child } or infants head can simply rest against { TAIL ~ the car seat } 16 in this arrangement
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH