Butterfly Guard Sweep
Learn what to do when your butterfly guard sweep does not work. There are several options here is one that can help you out, take a look and take it to the mat for testing. The best way is to test as many options you see out there. Later you can adjust the moves that work best for you. Keep training, keep rolling and love Brazilian Jiu Jitsu.
It is always recommended to find a certified Brazilian JiJiu-Jitsunstructor who can guide you through all these techniques. Do not try them on your own because you might get injured.