2. The out-of-turn raise
This angle shooter is late in the order of action and wants either a free card or a free showdown. To prevent you from betting or raising, he announces “raise” or “all in” out of turn. He hopes you will think this was an innocent mistake, but become afraid to bet or raise because you think he’s going to reraise you.
Out-of-turn action happens all the time in live poker, and nearly always it is an innocent mistake. But if an experienced player suddenly makes this “mistake,” be suspicious that he’s putting a move on you. He doesn’t want you to bet or raise, so you should go right ahead. He’s likely to fold.
The standard rule is that if the action has not changed when it gets to the out-of-turn raiser (i.e., if you fell for it and either checked or just called a previous bet), then that player is committed to the raise. However, this is not the rule everywhere, and it is not always uniformly enforced even where it is the rule.