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.. Solid wood for boatbuilding. have you looked for good, clear lumber lately? you’re apt to be frustrated. i’m continually grateful that stitch-and-glue boats. Woosung has been producing various innovative styles of inflatable heavy-duty drop stitch sup with our selytech glue from the start. we have been introducing mainly 3.