Stitch-and-glue boatbuilding learn introductory and advanced modern plywood boatbuilding techniques suitable for heavy-duty boats. john harris—august 20–26. The stitch and glue boatbuilding method is an easy way for a beginner to make a plywood boat. in a nutshell stitch and glue boatbuilding has 4 major steps.. Stitch-and-glue: watch step-by-step videos of a stitch and glue kayak being built. all of our boat kits are built using stitch-and-glue construction..