Therefore, a portion of the file of papers located between the first side 66 and the second side 62 of {HEAD ~ the longitudinal plate} 60 is pressed between the first portion 72 and the second portion 73 of {TAIL ~ the slidable member} 70 
Therefore , a portion of the file of papers located between the first side 66 and the second side 62 of { HEAD ~ the longitudinal plate } 60 is pressed between the first portion 72 and the second portion 73 of { TAIL ~ the slidable member } 70
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH