Both swage and cable clip terminations permanently crimp (deform) the wire rope. Rigging parts include swageless terminals, swage terminals, shackle toggle terminals and fail-safe wire rigging insulators. Hydraulically operated rolls swage the groove down onto the retaining ring. Rod rigging is strongest when terminated with a cold head rather than swage fittings. Hydraulically operated rolls swage the groove down on to the retaining ring. Flared pieces of pipe are sometimes known as "swage nipples", "pipe swages", or "reducing nipples". Similar full metal jacket bullets mechanically swage a thin sheet of metal over the core. A swage terminal is a product used to terminate wire. The term "swage" is from the Old French "souage", meaning "decorative groove" or "ornamental moulding". As a blacksmithing tool, a fuller is a type of swage. Albert Spokes filed for a U.S. patent on the swage nut in early 1958. The swage nut is descended from an older idea, the clinch nut. A head is formed by upsetting one end using a swage. It might be considered as a side swage. However, it can have a tendency to swage.