Straight Ankle Lock Escape
Straight ankle lock escape — boot defence, hide the heel, pommel the knee line, pull out to combat base. Foundational leg lock defence.
Adapted from the original page. Grappling.Games did not write this. Sources.
Manage injuries →Position map Connects to 6 positions across 2 relationshipsOpen in the map →123456←Escape route from
This page covers escape from the straight ankle lock (SAL) — the Achilles-line submission where the opponent controls the foot in an ashi garami configuration and extends the ankle by sliding the forearm under the Achilles tendon and arching back. The SAL is the foundational leg submission. It is legal at all ability levels in almost every ruleset — including beginner IBJJF and no-gi formats that restrict heel hooks. For this reason it is the first leg lock most practitioners encounter, and the SAL defence is the first leg-lock defence everyone learns.
For the attack, see: /technique/leg-locks/straight-ankle-lock. The escape priority differs from the heel hook — with the SAL, the joint being attacked is the ankle, not the knee. The time-to-injury is longer, the pain signal arrives before structural damage, and escape techniques are safe to execute at committed stage. But the SAL still injures — chronic Achilles damage is real if the defender trains through SAL pressure repeatedly without tapping.
Also known asAchilles lock escape(descriptive — pressure on Achilles area)
Ashi hishigi escape(Japanese — leg crush, straight variant)
Elevated RiskStraight Ankle Lock (Defence) is an elevated risk technique. The SAL damages the Achilles tendon and ankle joint capsule through extension of the ankle against the attacker's forearm fulcrum. Unlike heel hook, pain is registered well before structural damage — the warning window is real. But chronic SAL exposure (repeatedly training through ankle pressure rather than tapping) causes cumulative tendon injury. Serious injury can occur several seconds — pain arrives first.
If you are new to this technique: read this section before anything else. Understanding the danger is part of understanding the technique.
The person applying the technique is responsible for releasing immediately.