There are a number of ‘Magic Tricks Exposed’ videos on YouTube.
There used to be an adage that, ‘A magician never reveals his secrets’.
What about a magician’s friend?
Taking the piss out of both his buddy and the whole concept of ‘tricks revealed’ videos, these two guys produce comical shorts that simultaneously amuse and expose.
https://www.youtube.com/watch?v=QX1IbNuwJfQ
A good trick would be for someone to show them how to film in horizontal.
Here is a longer form video with more tricks foiled.