We claim the ornamental design for a leg massager for massage chair, as shown and described.
FIG. 1 is a front perspective view of a leg massager for massage chair showing our design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a view showing the present design with a cushion part for the leg massager; and,
FIG. 9 is a view showing the present design is mounted to the massage chair.
The broken lines in the figures show portions of the leg massager for massage chair which form no part of the claimed design. The unshaded surfaces shown between the solid lines and the broken fines form no part of the claim.