If you can put up with a brake's concussion shock I prefer them to cans. Your barrel will create mirage either way as it heats up, but the cans will hold that heat longer.

An Australian who shoots long range with his wife spotting developed a set of brakes that both reduce recoil and keeps your crosshairs closer to target for self-spotting:

https://4aw-store.myshopify.com/coll.../muzzle-brakes