The ornamental design for a clutch pedal stopper, as shown and described.
FIG. 1 is a back perspective view of a clutch pedal stopper showing my new design;
FIG. 2 is a back elevation view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a right-side elevation view thereof;
FIG. 5 is a left-side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a back perspective view of the clutch pedal stopper shown in use.
The broken lines in the drawings illustrate portions of the clutch pedal stopper in which the design is embodied that form no part of the claimed design.