There a a few people ,includeing myself that play their hats open quite a bit so I can play the cymbal separate. So I don`t have to cross too.I really really gotta ask though, because I`m clueless to what is being said, and never had the trouble.What is this let the air out thing ?I can shut my hats, tilted or flat just as fast and without resistance of any kind, and notice no differences in tone or overall sound. I currently have 13`s !i
I think what is meant is that when you have your hats perfectly aligned with no tilt and they are a perfect match and you want a quick close "chick" sound sometimes the air escaping from the enclosed space prevents the cymbals from hitting as hard as they might and results in an unsatisfying sound. A softer sound, not the nice chick sound that many drummers like.
I think that's it. At least that's my understanding. Someone tell me if I'm wrong.