{HEAD ~ The top cover} of the improved assembly has an integral pressure blade which extends downward to apply pressure to {TAIL ~ the cover material} 
{ HEAD ~ The top cover } of the improved assembly has an integral pressure blade which extends downward to apply pressure to { TAIL ~ the cover material }
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 TAIL TAIL