@toonmechanic: Father, I demand knowledge 🗣: Line lock A line lock is a device used to temporarily lock the brakes typically for drag racing, burnout, or anti-roll purposes. It allows the driver to hold the car in place while accelerating the engine. Follow @TOONMECHANIC For more Knowledge 🗣🧠🚗 #toonmechanic #peter #stewie #petergriffin #mechanic #linelock Have you ever heard of line lock?