CADWorx Plant II tab: Restraints > Reinforcing Saddle 
Misc toolbar: Reinforcing Saddle
Command line: REINFSAD
Attaches a reinforcement saddle to a branch connection. On the drawing, the reinforcement saddle is represented by the alpha-identifier S. This symbolic letter has Xdata attached to it that is used in Bill of Material generation and with the CAESAR II bi-directional link.