This is best done on a table saw with a dado set, or with the "groove" bit of a tongue and groove router bit set installed in a router table. The mullions (D) will require a dado on both their edges.

Dan Durant, 26, first noticed he had an ulcer on the right side of his tongue in summer last year but didn't think anything of it. But when Dan accidentally sneezed and bit his tongue the lump became ...

A man who bit his tongue when he sneezed said it saved his life after he was diagnosed with cancer. Dan Durant, 26, noticed he had an ulcer on his tongue last year bit initially dismissed it.

Dan Durant, 26, first noticed he had an ulcer on the right side of his tongue in summer last year, but didn't think anything of it. But when Dan accidentally sneezed and bit his tongue the lump ...

Dan Durant, 26, first noticed he had an ulcer on the right side of his tongue in summer last year, but didn't think anything of it. But when Dan accidentally sneezed and bit his tongue the lump became ...

Dan Durant, 26, first noticed he had an ulcer on the right side of his tongue in summer last year but didn't think anything of it. But when Dan accidentally sneezed and bit his tongue the lump ...

Dan Durant, 26, first noticed he had an ulcer on the right side of his tongue in summer last year, but didn't think anything of it. But when Dan accidentally sneezed and bit his tongue the lump ...