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