Here is a filmmaking rig that lets you use your DJI Osmo Pocket and smartphone to record your adventures. The Ztylus CinemaMount Rig comes with an aluminum alloy grip handle, Osmo Pocket clip, cold shoe mount, 1/4″-20 tripod thread, and tripod adapter. You will be able to attach a microphone, audio mixer, and light to complete your rig.
This smartphone rig works with most iPhone models on the market. Costs under $35 at this time.