Keep a tame gunrunner to work for 'em that sounds like th' tricky sorta play they cotton to.
Keeping a tame gunrunner seems like the tricky sort thing that they like to do. 
mnli hypothesis: Keeping a tame gunrunner seems like the tricky sort thing that they like to do.  premise: Keep a tame gunrunner to work for 'em that sounds like th' tricky sorta play they cotton to.