In a direct-to-the-point conversation, eight-time Brazilian Jiu-Jitsu world champion Xande Ribeiro defines his guard:
"I don't do de la Riva guard; I do combative guard. My guard is a life threat 100% of time.
"My favorite defense is hand on the collar.
"My guard is towards prevention, protection and submission."
Watch this video and see whether you can improve your guard based on Xande's insights.