Connector
Connector is essentially a bridge module. It creates a mid-connection. This single joint will act as a socket for other limbs to connect to. Additionally, the shape can be defined as a curve if wanted to be used as a simple controller
Guides
Can only have a single guide joint.
Additional Properties:
Use Curve as Joint Shape: If checked, a curve shape (box) will be used as shape to be used as a controller
Rig
The rig doesn’t have any features.