One of any of the sours is more than sufficient for me. I think of them as a sipping beer, not a chugging grog.
How about those pull-top crowlers? About one in 4 or 5 breweries have them out here. The rest have just started calling their 32 oz bottles (previously known as growlers) "crowlers."
I just now decided to see what The Internet says regarding the definition of a crowler. Online, they say it's an aluminum can.
Crowler