>>63861407You are impressively stupid. The top performing brake in that test directs the gas straight out the sides. And it also happens to have the largest baffles of all the brakes in the test. It's almost like muzzle brake effectiveness is primarily a function of gases impacting the baffles.
I would suggest you look up the ancient army report "A Simple Method for Predicting Muzzle Brake Effectiveness", but there's not much point if you failed this hard on a youtube video.