Use this to connect your GoPro Mission 1 Pro to the Matte Box Mini. Matte Box not included. Order here - https://teleportpod.com/portal/a7cd7002-18b7-4ec3-be7d-fd7a8c38c46b?item=5491 Works with Mission 1 and Mission 1 Pro There are flexible extrusions on the inside that create a perfectly snug friction fit to hold it securely on the Camera. The GoPro will need to be set to Linear mode to avoid seeing the edges of this mat box in your video footage. This is a physical product that will be manufactured and shipped to your door. Designed by Luke Edwin. Manufacturing, shipping and customer service handled by Slant 3D