Fig. 80 shows the application of the bridle joint to a roof truss.
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 shaped rail at the bottom of this frame again shows the application of the bridle joint.
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.
The bridle joint is chiefly used for connecting the internal parts of wooden frames.
A bridle joint is an oblique joint in which a bridle or "tongue" is left in an oblique notch cut out of one beam.