a lever pivotally mounted on the rear end of the stiffener, the lever including an operating arm extending along {HEAD ~ the first side} of {TAIL ~ the stiffener} and having a locking portion for locking the clip in the closed position when the operating arm is releasably retained by the locking hook 
a lever pivotally mounted on the rear end of the stiffener , the lever including an operating arm extending along { HEAD ~ the first side } of { TAIL ~ the stiffener } and having a locking portion for locking the clip in the closed position when the operating arm is releasably retained by the locking hook
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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH