SVL LimbSaver Insulator Strip. Want a comfortable grip but prefer the look and feel of your wood or other traditional hand grip? Sims Vibration Laboratory has designed another "Product That Works." The new LimbSaver Insulator Strip attaches to the front of the grip directly to the riser, insulating your hand from the cold. The new LimbSaver Insulator Strip does not increase your grip width, but allows you to carry your bow more comfortably. -The Insulator Strip is built from the proprietary NAVCOM (Noise and Vibration Control Material). -Length: 3.5" Width: 0.5" Weight: 3.5 grams Sims Vibration Labs LimbSaver Insulator Strip.