The ornamental design for a nail buffer, as shown and described.
Description:
FIG. 1 is a pespective view of a nail buffer in accordance with my invention;
FIG. 2 is a left side elevation view of the nail buffer shown in FIG. 1;
FIG. 3 is a right side elevation view of the nail buffer shown in FIG. 1;
FIG. 4 is a front elevation view of the nail buffer shown in FIG. 1;
FIG. 5 is a rear end elevation view of the nail buffer shown in FIG. 1;
FIG. 6 is a top plan view of the nail buffer shown in FIG. 1; and,
FIG. 7 is a bottom plan view of the nail buffer shown in FIG. 1.
The dashed outlines in the views of FIGS. 1 and 6 showing the location of indicia are for illustrative purposes only and form no part of the claimed design.