It is used for the batter braces of bridges.
_No.65.A plain brace joint_, Fig.

269, is one in which the brace is simply mitered and nailed into place.

It is used for bracket supports.
No._66.A housed brace joint_, Fig.

269, is a joint in which the brace is housed into the rectangular members except that the outer end of the mortise is cut at right angles and the inner end diagonally to receive the brace which is cut to correspond.

It is much stronger than 65.
_No.67.An oblique mortise-and-tenon or bevel-shoulder joint_, Fig.