Fingergrip accessory 1900 has similar functionality as finger grips 4001.A specific embodiment of finger grip accessory 1900 is illustrated in FIGS. 20A-C, where FIG. 20A is a perspective view of the finger grip accessory, FIG. 20B is a top view 20B-20B of the finger grip accessory, and FIG. 20C is a sectional sideview 20C-20C of the finger grip accessory.