Caio Terra's De La Riva Ankle Lock: A BJJ Staple

Words: Jiu Jitsu Style

When we first put this De La Riva ankle lock clip up in June 2015, we kept it to nine words: Caio Terra is a master at this, nice tech. That was the whole review, and at the time it was enough — the smallest man in the room teaching a leg attack out of the deepest open guard in Jiu Jitsu, and you either trusted us and watched the video or you didn't. Eleven years on, the position he was quietly demonstrating that afternoon has become one of the most studied entanglements in the modern BJJ game, and the little Brazilian who could beat black belts twice his size at light-feather is still one of the best people on the planet to learn it from.

Why a straight ankle lock lives inside De La Riva guard

The shape Caio was showing hasn't moved an inch. You're playing De La Riva — your hook wrapped behind your partner's lead leg, your other foot framing on the hip, your grips controlling the far ankle and sleeve. From there, instead of sweeping or climbing the back, you slide your hooking foot down into an ashi-garami, fall to your hip, and trap the same leg you were already hooking for the straight ankle lock. The genius of it is that the De La Riva hook and the leg-lock entanglement are nearly the same frame. You're not abandoning the guard to chase a submission — you're collapsing one position into the next, with the foot the other guy already gave you.

That overlap is exactly why it suited Caio Terra. A 13-time world champion at the lightest weights, he built a whole game out of attacking before bigger opponents could impose their size, and De La Riva is built for exactly that — get under the hips, control the lead leg, and make the heavier player choose between a sweep, a back-take, and his own ankle. The ankle lock is the answer when he stuffs the sweep and posts to pass. He clears one threat and walks straight into the next.

How a 2015 clip plays straight into the 2026 leg game

Re-watch it now and the curious thing is how current it looks. The leg-lock revolution that John Danaher, Gordon Ryan, Craig Jones, the Ruotolo brothers and Lachlan Giles have spent the last decade building reorganised the entire no-gi syllabus around the ashi-garami entanglements Caio was already threading out of De La Riva in a gi. Mikey Musumeci — five-time world champion and the closest thing the sport has to a modern Caio Terra — lives in exactly this overlap of De La Riva, ashi, and the straight ankle lock, and finishes ONE Championship matches with it. Ffion Davies hunts the same entry between sweeps at IBJJF no-gi worlds. The skeleton of what this clip teaches has not aged; the rest of Brazilian Jiu Jitsu simply caught up to it.

What changed is the audience. In 2015 a gi ankle lock out of De La Riva was a neat highlight for the people who already followed Caio's competition record. In 2026 it's a position an upper-blue-belt at a serious academy is expected to drill, with BJJ Fanatics modules and the Danaher leg-attack series treating the De La Riva entry as standard issue.

What the little master's details still teach the rest of us

Strip the names out and Caio's lesson survives intact. The ankle lock works because the control comes first — heavy hooks, knee line over knee line, the trapped foot pinned to your chest so the only thing left to rotate is the joint. The submission is the last thing in the sequence, not the first. Drill the De La Riva entry until the hook and the ashi feel like one frame. Drill the finish with the partner-care every serious BJJ school now gives a leg attack: tap before the break, finish before you crank, walk both of you off the mat in one piece. Then go back to the clip, eleven years late, and notice that the smallest guy in the building knew all of it the first time.

See you on the mats.

Originally published on Jiu Jitsu Style, 17 June 2015. Refreshed for 2026.