I especially love that this audiophile cable demo was recorded with a cell phone, and uses a 25-year-old homemade piezo pickup. 
Be sure to read the user manual though, this cable is directional(!), you don't want your electrons flowing the wrong direction!
https://www.referencecables.it/ultimo-rci-deluxe/
Be sure to read the user manual though, this cable is directional(!), you don't want your electrons flowing the wrong direction!

The arrow on the terminations indicates the recommended orientation for using the cable in order to maintain its mechanical and electrical properties over time.
https://www.referencecables.it/ultimo-rci-deluxe/