You can customize toolbars in several ways, including choosing which icons are visible and locking the position of a docked toolbar. You can also add icons and create new toolbars, as described in Chapter 14.
To access a toolbar’s customization options, use the down-arrow at the end of the toolbar or on its title bar.
To show or hide icons defined for the selected toolbar, choose Visible Buttons from the drop-down menu. Visible icons have a checkmark next to them. Click on icons to select or deselect them.