When the glue is dry, they are used as corners on which to clamp the handscrews.

This method has the disadvantage that the blocks may break loose at a critical moment.
[Illustration: Fig.257.One Method of Gluing up a Six-Sided Taboret.] In addition to any of these methods of tightening the joints, to make sure that the ends of the joints close tight, pinch-dogs, Fig.

178, p.
103, may be driven into the end grain, and corrugated fasteners, Fig.
228, p.

125, also driven into the ends, make the joint quite secure.
_No.53.A doweled miter_, Fig.

268, is one in which one or more dowels are inserted and glued into holes bored into the beveled edges.
It may be used instead of nails, as in large picture frames.
_No.54.A spline or tongue miter_, Fig.