The exercise device may also be converted to {TAIL ~ a pull mode} wherein a pull force exerted between a plate and a handle connecting {HEAD ~ the exercise device} actuates a cumulative timer circuit 
The exercise device may also be converted to { TAIL ~ a pull mode } wherein a pull force exerted between a plate and a handle connecting { HEAD ~ the exercise device } actuates a cumulative timer circuit
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH