{HEAD ~ A carpet stretcher} 10, wherein said pair of L shaped members are adjustable to allow adjustment of the gradual release of {TAIL ~ the prong members} 
{ HEAD ~ A carpet stretcher } 10 , wherein said pair of L shaped members are adjustable to allow adjustment of the gradual release of { TAIL ~ the prong members }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL