St. Andrew's Cross
also known as Saltire, X-cross
An X-shaped upright frame with anchor points at each terminus for restraint.
Definition
The St. Andrew's Cross is an X-shaped upright frame, historically associated with the saltire, fitted with anchor points at each terminus. A bound person stands or leans against it with wrists and ankles secured to the four extremities.
Discussion
The cross is a signature piece of dungeon furniture and appears in nearly every configuration of dedicated play space.