I think the default bridge arm for snooker players -- on unhampered shots -- is with the elbow on the table. That will make the arm slightly bent or at least the elbow not locked. The elbow on the table is part of getting the chin rubbing on the cue, which many of them do. Where a lot of snooker players really get bent is on rail shots. Here are some examples from a recent tournament. Evidently, you can play OK bent or unbent.Well, first off, I was talkin' about snooker players -- not pool, not 3C. ...
Zhao Xintong
John Higgins
Judd Trump
Mark Williams