that device has 3 design flaws.
it removes the vertical play necessary to allow a fulcrum action removal of the connector.
It you get your cord yanked hard, it will rip the neodymium off the end of your charging cable, which is ONLY there via plastic and epoxy.
Neodymium Iron Boron magnets are CERAMIC......meaning when you bind them, THEY CRACK
As someone that owns 1000s of huge and oddball neodymium magnets, I know how they work, break, crack, and fail.
There is ALSO a false statement in that video, it says it "enhances the strength of the magnetic connection"
thats a completely false statement, the N gauss rating of the magnet cannot be changed by adding a steel ring.
You 'repeated yourself', but didnt prove your position
Peace 😊
applesosvk
In the mean time, the cable always falls off when I put MB Air on my lap.
Thats why Apples calls all macbooks NOTEBOOKS, and not LAPtops.