Foot grinder

[0001]FIG. 1 is a perspective view of a foot grinder showing my new design;

[0002]FIG. 2 is another perspective view thereof;

[0003]FIG. 3 is a front elevation view thereof;

[0004]FIG. 4 is a back elevation view thereof;

[0005]FIG. 5 is a left side elevation view thereof;

[0006]FIG. 6 is a right side elevation view thereof;

[0007]FIG. 7 is a top plan view thereof;

[0008]FIG. 8 is a bottom plan view thereof; and,

[0009]FIG. 9 is an enlarged view of the encircled portion labeled “9” in FIG. 1.

[0010]The equal-length broken lines depict portions of the foot grinder that form no part of the claimed design.

[0011]The dash-dot lines in FIG. 1 and FIG. 9 illustrate the boundaries of the enlarged view indicators and form no part of the claimed design.