{HEAD ~ The carpet strip} is secured by a pair of labyrinth type clamps that can be loosened and tightened without {TAIL ~ use} of additional tools 
{ HEAD ~ The carpet strip } is secured by a pair of labyrinth type clamps that can be loosened and tightened without { TAIL ~ use } of additional tools
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH