{HEAD ~ The adjusting device} 1 wherein {TAIL ~ said first engaging portion} is a rod and the second engaging portion is two hook elements 
wherein
{ HEAD ~ The adjusting device } 1 wherein { TAIL ~ said first engaging portion } is a rod and the second engaging portion is two hook elements
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH