We often hear all too much about certain moves that are characterized as Douche moves, dirty or in some other way unsavory.
In these 2 video, Eli Knight and Chewy show 10 dirty very but useful rough tactics for BJJ.
These are often considered “d*ck moves,” and can be frowned upon in training. If you can use them technically and effectively in the right situations, then they are very useful.
These aren’t what you would want to use in a friendly flow roll, but for competition of all levels, these can be extremely useful.