Squeezers are tools used to hold objects in place while they are being worked on. Vises, boas, and CLAMPS are all types of squeezers. Vises are a type of mechanical device that uses two jaws to hold an object in place. Boas are a type of clamp that uses a screw to tighten the grip on an object. CLAMPS are a type of tool that uses a lever to hold an object in place. All three of these tools are used to hold objects in place while they are being worked on.