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He prototyped this design to test reelsteady both with mild cinematic footage and more harsh freestyle flip flops.
The linked video was made with this Gopro Session 5 dampened mount on the Apex.
With Gopro session 5 at 15 degrees, if you use Superview, you can catch some props on the lower corner. He suggest to use clear color props, such as the Ethix HQ S5 cinematic props.
Using Reelsteady cuts out the props from the original video.