Combination commercial and Instructional video -Invisible Door Stop

Commercial and short tutorial for 3.5", 4" and 4.5" Invisible Door Stops.

[@andrewsmith1652]

I agree with "I ch CH"..."where do buy"??? Eric G, tell us the secret!

[@santoshdandekar6409]

what is the thickness of this stripe ?

[@stee229]

Is it possible to set the door stop at less than 90 degrees?

[@ichch9875]

Where do buy... Please help