Tricing
Tricing is a term used in rigging and sailing to describe a method of adjusting the tension of a spar, typically a boom or gaff, using a system of ropes. The primary purpose of tricing is to control the angle of the spar relative to the mast or other supporting structure.
In sailing, tricing is most commonly associated with the gaff rig, where a tricing line is attached
The term can also be applied in other rigging contexts where a similar adjustment is needed. For