FIG. 1 is a rear elevation view of the grip for beverage container of the claimed design;

FIG. 2 is a front elevation view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view being a mirror image; and,

FIG. 6 is a perspective view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.