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A bridle joint is often defined as the reverse of a mortise and tenon, and is chiefly used in the carpentry and joinery trades.

The bridle joint is chiefly used for connecting the internal parts of wooden frames.

Joints Other than at 90°.—The two pieces forming a bridle joint are not always at right angles, as at Fig.

There are fewer varieties of the bridle joint than of the halved or the mortise and tenon; and this being the case we may take the opportunity of giving a few detailed directions, with explanatory illustrations, on the setting out and the making.

When the piece A has to have a bridle joint fitted at each end, it is customary to cut the timber about 3⁄8 in. longer than necessary, and mark the shoulder lines C to the exact length, after which the joints are cut.