This is how Trump protects the flag

 

Whether Trump realizes it or not, Title 4, Chapter 1 of the United States Code already covers the proper use and treatment of the American flag. Read the section in its entirety HERE on the American Legion website. 

However, the Supreme Court has already ruled in Texas v. Johnson that flag-burning is protected speech:

Donald Trump's merchandise store is chockful of chotke that violates 4 USC 1. Here are some examples:

And, of course, this example of how Trump loves to manhandle the flag.