I saved the glue ~one" away from the interior playing surface. When the glue does squish out in the playing area, make sure to clean it right away with moist paper towel. Align the outer frame to the plywood board and clamp it to get a good bond. I used https://www.facebook.com/sunilkeshariyoutuber/posts/pfbid0363Q1LgxnbEmx8Ww1ztqMnfyuqSqbAdzmjB7xN7475FY8PUgtMihsp6QmkXVsEhEvl