The ornamental design for a stabilizer for supporting a foot-sustain pedal, as shown and described.
FIG. 1 is a perspective view of the stabilizer for supporting a foot-sustain pedal showing my new design wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design.
FIG. 2 is an isometric view of the floor-mounted stabilizer.
FIG. 3 is a bottom view of the floor-mounted stabilizer.
FIG. 4 is a top view of the floor-mounted stabilizer.
FIG. 5 is a front side view of the floor-mounted stabilizer.
FIG. 6 is a left end view of the floor-mounted stabilizer; and,
FIG. 7 is a right end view of the floor-mounted stabilizer.