Often, some sort of clamp or vise is used. The process starts by clamping the workpiece to the table with a fixture or vise. All work should be securely clamped or held firmly in a vise. The traditional tail vise uses one large screw, either wooden or metal. A metalworking vise may have a small anvil integrated into its design. Abrasive chop saws have a special type of machine vise built into the saw. But Khali stopped him and squeezed Batista's head with a Vise Grip. Lastly, the knife is placed into a vise and flexed. The anaconda vise is a compression choke. In the mid-19th century flies were tied without benefit of a hook vise. Probably the oldest front vise design is the leg vise. A vise is sometimes misused as a makeshift press. Another old design is the shoulder vise. This is easily accomplished by compressing them in a vise. A safety mechanism in the justification vise detects this and blocks the casting operation.