A child safety seat system having a child seat, a separable mounting plate, and {HEAD ~ a stroller frame} incorporating {TAIL ~ a mounting plate} 
incorporating
A child safety seat system having a child seat , a separable mounting plate , and { HEAD ~ a stroller frame } incorporating { TAIL ~ a mounting plate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL