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