Issue: 10/02 Elkay Mfg. Co. offers its new Quick-Clip installation system for many of its Lustertone drop-in sinks. Quick-Clip provides a secure sink-to-countertop installation from above the countertop, saving time in multiple sink installations. Once countertop brackets are fastened to the inside of the sink cutout, the installer positions the sink over the cutout and presses down firmly to snap the sink securely in place.Elkay Mfg. Co.