Shubb Shubb Shubb is a company that specialises in producing capos for all kinds of stringed instruments. The company was formed in 1974 by banjoists Rick Shubb and Dave Coontz. Shubb capos remain a top-selling capo forty years after their invention. Shubb wanted to create a capo that would not make his instrument go out of tune, which has resulted in ongoing efforts to refine his invention. The Shubb Capo utilises an "over-centre" locking action, which is lever operated. The design includes a screw for adjusting the clamp's tightness, and has been described as "a turning point in modern capo design."
Metal Improvement Company first began to use the beneficial processes. The company worked, for example, in the early 1950s with the famous Douglas DC-3 aircraft. In the mid-1950s, the company worked on the wing skins of Lockheed Super Constellation aircraft. In 1968 the company was acquired by Curtiss-Wright which had begun an expansion program at its Buffalo extrusion facility, adding new forging and machining equipment for building aircraft and aerospace components. In the 1970s, the idea of metal peening with light was explored in the company and in the metal treatment industry. Lawrence Livermore Laboratories at the end of the 1990s, working under