Tesla Headrest Adapter for Xtronic Smartphone holder

This adapter makes the Xtronic Smartphone holder compatible with the Tesla headrests.
Just remove the suction cup piece and replace it with the print.
Now you can stick the flat part of the print between the seat and the headrest to get a sturdy smartphone mount in the back of your Tesla.
This makes it a very versatile and cheap solution, that fits all smartphones. (the Xtronic Smartphone holder is 1.99 eu at the moment in the Netherlands (https://www.action.com/nl-nl/p/3006035/xtronic-telefoonhouder-auto) . Not in the Netherlands? you should also be able to find it elsewhere (AliExpress for example).

If you are going to use this model I would really like to read about your findings and see your end results, so please take the time to write down your findings and upload your pictures ;).