Cutch and brake pedal pads. S5 MT

Has anyone installed aftermarket clutch/brake pedal pads? My concern is the clutch. How was the replacement pad attached to clutch lever? Where did you get the pads?

Thanks, Eric

15 S5 MT, 08 S6, 02 RT-10, 14 S-85 (Her’s) 53 120 (Hers too!) and a truck.