depends on how many butts we are talking.... for massive quantities of butts like we cooked for OBR I have found that my heavy paint mixer from harbor freight with the medium viscocity paddle worked like magic and we were able to blend 2-4 butts at a time in a 5 gallon bucket.
http://www.harborfreight.com/dual-sp...xer-69856.html with this attachment
http://www.harborfreight.com/all-pur...xer-41015.html otherwise if cooked to the right temp they should should push apart with little ease