Doiby often assists in battle with a skilled swing of a pipe wrench. Jason then beats Ali unconscious with a pipe wrench. This makes the hero's two opposing racers reappear, armed with a large pipe wrench. He invented the modern adjustable pipe wrench. The logo is of a pipe wrench crossed with a stone hammer. In plumbing, a nipple wrench is often known as an "inside" pipe wrench. While at the J. J. Walworth Company, he developed his pipe wrench. The pipe wrench is a famous melee weapon in BioShock and many other video games.