Solid Delrin Deluxe One Piece Record Clamp Disc clamping is known to reduce the affects of external vibration from acting upon the stylus. This action improves minute details and overall sound quality. One piece deluxe, adjustable record clamp. By using this record clamp, you can help reduce (and in some cases eliminate) record warpage and you create a much tighter seal between the record and your turntables platter. Works on VPI’s with threaded spindle.