A joint lock asks your opponent how much they're willing to pay. A choke doesn't ask them anything. The difference between chokes and joint locks in jiu jitsu, what the numbers say, and what works in competition, on the street and against bigger opponents.

Side control scores zero points in competition, and in judo it wins matches. What side control is in jiu jitsu, how to hold it with position rather than strength, and how to escape it.