Chair Lock Glue: Chair Lock Glue is the ultimate chair tightener. This Wonderlok Glue has a pinpoint nozzle to fit into chair joints. HH Perkins' Chair Lock Glue comes with a second nozzle. A 3/4 ounce bottle of Glue is enough to fix an entire set of damaged chairs. Chair Lock Glue can also be used in Basketry, and is a must have for any Woodworker. This product is not to be used to install cane webbing and spline.