What a rig element consists of

A single rig element consists of a whole set of objects:

• Three point controllers
• One box controller
• One rigid body

• Switch to Rigging mode
• Select the first joint
• Click the Add rig element button. A set of rig elements will be created for the selected joint.
• Select the created rig element
• Click the Delete rig element button.

Sometimes there are more joints than necessary to create controllers. In this case it is possible to create elements of the rig not for each individual joint, but for several joints at once.

• Hold down the Shift key and select joint1 and joint3
• Click the Add rig element button. The Direction point will be located at the base of the third joint.
• Select the created item and delete it.
• Hold down the Shift key and select joint1 and joint4 
• Click the Add rig element button.