By moving the point of securing the handholds along the length of the arcuate guide plate, the user can re position {HEAD ~ the upper ends} of {TAIL ~ the handholds} from a location above the user station to a position behind the user station 
of
By moving the point of securing the handholds along the length of the arcuate guide plate , the user can re position { HEAD ~ the upper ends } of { TAIL ~ the handholds } from a location above the user station to a position behind the user station
OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH