Homemade R hop patches are a thing of the past with this MR Hop bucking from Maple Leaf. This bucking has a perfect (R hop) shape that fits exactly in the hop window of your Maple Leaf inner barrel. In combination with the Maple Leaf Hop Tensioner you will achieve the best result. This bucking is the updated 2021 version. which gives the same performance but is made of silicone which gives better durability and better functioning in cold environments.