Hand Grip Strengthener

FIG. 1 is a front, left, top perspective view of a hand grip strengthener showing my new design;

FIG. 2 is front, left, bottom perspective view thereof;

FIG. 3 is front, right, top perspective view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left-side elevation view thereof;

FIG. 7 is a right-side elevation view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines depict portions of the hand grip strengthener that form no part of the claimed design