Ink
Hold the ink in your off-hand and the photo in your main hand. Start drawing by using Right-Click.
Magnifying Glass
Hold it in your off-hand and the photo in your main hand (or click on a photo pinned to the board). Move the magnifier using Right-Click.
Board
Attach a photo to the board using Right-Click. Connect two photos with a thread by Right-Clicking while holding red string. Remove photos with Shift + Right-Click while your hands are empty.
