Leglock Defence Concepts (Dinu Bucalet)
Dinu Bucalet BJJ
Easy 3 step way to defend and then look to counter leg attacks. Of course there are many other ways but this is a very basic way to keep safe and look for your next move without panicking.
Related videos

Breaking the Collar Grip
Augusta Jiu-Jitsu Academy

SPLIT X DEFENSE to COMPRESSION COMPRESSION LOCK | FILIPINO MARTIAL ARTS | CRESCENT CITY ESKRIMA
FMA Pulse

Choke Defense Against the Wall
Gracie Ohio Jiu-Jitsu Academy

Self defence How to escape from armlock
Master Wong

Twist step to repulse monkey - defence against clinch
Dan Djurdjevic - The Way of Least Resistance