Check the listing for details. Harley Davidson HOG 2023 Rocker Pin & Patch Set 40 Years. Condition: New. Listed at 25.00 USD. Celebrate the 40th anniversary of Harley-Davidson Owners Group (HOG) with the exclusive 2023 Rocker Pin & Patch Set. This collectible set features a Harley-Davidson shield design, making it a must-have for motorcycle enthusiasts and collectors alike. Show off your love for the American iconic brand with this special edition set that commemorates the 40-year history of HOG. Add it to your collection or gift it to a fellow rider to commemorate this milestone anniversary.