Aluminum Material: Features 3 versatile cold shoes with durable aluminum alloy construction Cold Shoe Design: Allows simultaneous use of multiple hot shoe accessories, compatible with flashes and microphone receivers with standard hot shoes, such as Canon, Nikon, Pentax, Olympus flashes and zoom recorders Mounting Method: Attach via shoe or 1/4"-20 mount Built-in backstop for safe installation Wide range of uses: can be used for any multi-purpose shooting such as short films, broadcast recordings, family gatherings and public presentations