Use mirror images of the pictures.
Boomerangs are no weapons but modern sports devices.
Remember that a a boomerang can cause injury, especially if it hits your face or another part of your body where the bone is very close to the skin. Throw on a large, flat, grassy field only. The manufacturer assumes no responsibility for injuries or damage incurred under any circumstances. Well, let be assured that, if you read and follow these tips and throwing instructions it won't be long until exactly this will happen to you. Not unlike a pen or pencil your boomerang should be held using your thumb, index and middle finger.