"Snap & Glue" Toolbar

This toolbar is used for enabling/disabling the Glue and Snap modes.

It contains two tools:

Enables/disables the Snap mode.
For more information see Document - Working with a Document - Rulers and Grid.
Enables/disables the Glue mode (used for gluing shapes to guide lines).
For more information see Document - Working with a Document - Guide Lines and Gluing Shapes.