As shown in FIG 3, for instance, {TAIL ~ the depth} of {HEAD ~ the groovelike indentations} 17 is greater than that of the insertion slit 9, and their width is likewise substantially greater than the width of the insertion slit 9  
As shown in FIG 3 , for instance , { TAIL ~ the depth } of { HEAD ~ the groovelike indentations } 17 is greater than that of the insertion slit 9 , and their width is likewise substantially greater than the width of the insertion slit 9
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH