Jul92016 Episode 114 – I’m making a plywood jig to simulate an Isolock type joint Posted on July 9, 2016 by The Woodpecker Episode 114 – I’m making a plywood jig to simulate an Isolock type joint When I did my water cabinet, I jointed two small pieces of wood with a nice funky joint. In this episode, I’ll show how I made the jig to make this type of joint.