Move Shoot Move phone mount. Useful tool or total gimmick?

I wasn't sure what to expect... if used properly this can be quite a tool.

If you are interested in the work shop, check it out here - https://www.chasingluminance.com/book...
And use the code "class10", "class20", or "class40" for 10%, 20%, or 40% off the 2 hour zoom class!

My Gear

Tracker - MSM Rotator - http://www.moveshootmove.com?aff=73

Camera - Canon R5 - https://www.amazon.com/gp/product/B08...

Camera - Canon 80d - https://www.amazon.com/gp/product/B01...

Camera - Canon 6d - https://www.amazon.com/gp/product/B07...

Camera - Olympus OM-d EM1 MK III - https://www.amazon.com/gp/product/B08...

Lens - Olympus m.Zuiko 17mm 1.2 PRO - https://www.amazon.com/gp/product/B07...
Lens - Sigma 50mm ART 1.4 - https://www.amazon.com/gp/product/B00...

Lens - Rokinon 12mm f/2.8 fisheye - https://www.amazon.com/gp/product/B00...

Lens - Tokina 16-28mm f/2.8 -https://www.amazon.com/gp/product/B07...

Lens - Tamron 24-70 G2 - https://www.amazon.com/gp/product/B07...
Tripod - Manfroto 190 GO - https://www.amazon.com/gp/product/B07...