What is the difference between the Lightswing® Single and the Lightswing® Twin?

The Lightswing® Single has a connection for one pendant light. With the Lightswing® Single, you can hang and move one pendant light. The Lightswing® Twin has a connection for two pendant lights. With the Lightswing® Twin, you can hang and move two pendant lights, or choose to use only one connection of the Lightswing® Twin to hang and move one pendant light, or easily alternate between one or two pendant lights above the dining table for example.