Check the listing for details. THUMBUDDY® ATV THUMB THROTTLE EXTENDER COMFORT THUMB ASSIST - FREE SHIPPING. Color: Black, Condition: New. Listed at 15.99 USD. Brand New All Rite Products Thumbuddy Thumb Throttle Extender - Model TB1 BEST VALUE - The most economical thumb throttle extender on the market. COMFORT - Ergonomic designed rubber shape helps to relieve thumb and hand fatigue from a long day of riding. QUICK & EASY - Attaches with 3 UV resistant zip ties that wrap around thumb throttle and lock into the grooves on the throttle extender. CUSTOMIZABLE - Extender can be bent and formed to provide a custom fit for either large or small hands. STAINLESS STEEL - The core is made from bendable stainless steel and is covered in thick, soft rubber. ATV throttle extender, ATV thumb throttlethumb, ATV Gun Grip, ATV Accessories, ATV Gun Holder, ATV Bow Holder, ATV Bow Rack