A frame in a BDSM or spanking context is a solid structure to which a person may be tied or cuffed as a form of bondage, or to recieve a spanking, caning, or whipping. A person may also lie across or upon the frame to be spanked, the frame thus serving as a form of spanking horse.
Types of frame
There are several types or designs of frame in use.
Perhaps the most common type of frame is the X-Frame or St. Andrew's cross. This consists primarily of two diagonal beams, plus additional supporting structure to hold them firmly in position. An X-Frame will often be built against a wall, although it can stand freely with an appropriate supporting structure to replace the wall.
Another common type of frame is the A-frame, also called a flogging triangle or caning rack. In this design there are two diagonal legs meeting at a point at each end of the frame, with a brace between each pair of legs, and beams running between the corresponding legs from the two sets. The design is much like an oversized artist's easel.