Introducing the Top Protection Plate with Thumb Bracket Compatible With Leica Q3 The Protection Plate mounts to the top of the Leica Q3 camera body in order to provide Lightweight and Robust Protection for the camera. This accessory is specifically helpful when traveling or when using the camera in more extreme conditions. The Thumb Grip mounts to the camera's Hot Shoe Receiver in order to provide a comfortable and compact position for an operator to place their thumb. This helps to improve handheld stability which can lead to smoother shots and an overall more comfortable operating experience.