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Setting glass is the point in a windshield job where a second technician usually appears. Someone has to hold the weight, someone has to watch the gap, and the urethane gives you one chance to land it in the right place. A setting tool changes that arithmetic by taking the weight and the positioning off the technician's arms. GT Tools builds one for this: the Lil Buddy PRO1, a driver's-side mounted device with a sliding rod and a measuring system that lowers glass into the bead without detaching the suction cups. This guide covers what the tool does, what it needs around it, and what a complete single-technician setup costs.