I don't brine them. Many of the butts I buy Say"moist and Tender" or " enhanced " on the label. This means they are already soaking in a salt solution. No need to add more IMHO.
Smokemaster Offset*Hasty Bake*'WSM'00 Plum SSP*'69 Cado*'90 Red MT*WSM Mini*'73 WSJ