• Jul 13, 2026 the frame jig knucklebuster he Knucklebuster in Frame Jigs The knucklebuster component of the frame jig refers to its ability to accurately connect and position the tube joints, especially at complex angles and intersections. It provides a reliable way to "knuckle" or connect multiple tubes at precise angles, ensuring By Lana Bechtelar-Stracke
• Mar 20, 2026 old school chopper frame fabrication knucklebuster builders, many of whom developed their own techniques—knucklebusting being one of them. Today, these methods continue to influence modern custom frame fabrication, maintaining a connection to the roots of motorcycling culture. Tools and Mater By Dr. Duane Lind
