View cart “Pro Pack Kit” has been added to your cart. Knub Extension $17.99 OUR LATEST FINGER EXTENSION FOR YOUR ADJUSTABLE HANDLE RELEASE. Patented Star Drive system allows you to adjust the handle to multiple locations Close the knub up for a two-finger handle Lay the knub open for a three-finger handle Knub Extension quantity Add to cart SKU: KNUB EXTENSION Categories: ACCESSORIES, Releases Related products SHOP NOW Rival Flex 5 out of 5 $54.99 SHOP NOW Alpha Flex $89.99 SHOP NOW NEWMini Omega 5 out of 5 $279.99