NEW/UNUSED 3 OZ ★Wondering how to keep rugs from slipping? This is a problem that troubles many people. To address it, we provide a new material which works as a rug pads gripper. This method uses VACUUM TECH design which grips all types of floors firmly and easily. Patent Pending. ★Design Feature. This product can easily be glued under any rug. The side facing the floor features tiny suction pores. These pores utilize the VACUUM TECH feature in which whenever pressure is applied from the top, air escapes and creates a low-pressure region within the cups. This produces an adhesive effect, which keeps your rug in place. Does Not Work For Rugs On Carpet Floors. ★Advantages. The rug anti curling gripper is less than 1/10 inch thick and inconspicuous after installing. Suction technology firmly sticks to the floor without causing marks or damage, and the gripper easily peels off the floor. It is convenient to wash, as you won’t have to separate it from your carpet for cleaning.