metallilõikepingi rakis pöörleva tooriku jäikuse tõstmiseks töötlemisel; eristatakse liikumatut ja liikuvat lünetti (vt liikumatu lünett, liikuv lünett), device for supporting long, or slender work in turning; the fixed type clamps to the lathe bed and carries three radial jaws, adjustable to bear on the rough-turned work while the travelling type fixed to the moving carriage usually has two or three jaws supporting the work close to the cutting tool (see: steady rest, follow rest)