There are a few bicep slicers if you like MMA and competition. Here you will see one that works in a lot of positions from the open guard. Lift your hips to get extra power when slicing the bicep, it will make him tap right away.
It is always recommended to find a certified Brazilian Jiu-Jitsu instructor who can guide you through all these techniques. Do not try them on your own because you might get injured.
BJJ promotes the concept that a smaller, weaker person can successfully defend against a bigger, stronger, heavier assailant by using proper technique, leverage, and most notably, taking the fight to the ground, and then applying joint-locks and chokeholds to defeat the opponent. BJJ training can be used for sport grappling tournaments and in self-defense situations. Sparring (commonly referred to as rolling) and live drilling play a major role in training, and a premium is placed on performance, especially in competition, in relation to progress and ascension through its ranking system. To read more about Jiu Jitsu visit Wikipedia