Bicep Slicer
Compression lock that folds the forearm against your bone to crush the bicep — often available from triangle, omoplata, and armbar scrambles.
compression lock
Overview
The bicep slicer compresses the bicep by folding the opponent’s forearm over a hard frame (usually your shin or forearm) and closing the figure. It commonly appears when triangle or omoplata attempts stall and the arm is trapped across a bone. IBJJF typically restricts it to brown and black belts.
#Setup
- Trap their arm so the forearm rests across your shin or a solid frame.
- Control the wrist/hand so they cannot straighten out of the fold.
- Build a figure-four or pinch that will close into the bicep.
#Execution
- Fold their hand toward their shoulder while your bone digs into the bicep.
- Use hip or leg pressure to close the compression cleanly.
- Increase gradually — correct alignment taps fast.
#Finishing
⚠️
Safety Warning
Bicep slicers can injure soft tissue quickly. Train with slow pressure, experienced partners, and clear brown/black (or ruleset) legality before competing with them.
Primary Targets
- Bicep
- Elbow
Key Concepts
- Bone-on-bicep alignment is the technique.
- Wrist control stops the most common escape.
- Often a transition finish when bigger submissions stall.
Primary Entries
Defenses & Counters
- Expect them to straighten and peel the wrist — recapture before folding.
- Watch for rolls that change the compression line.
- If they hide the hand, switch to a larger joint attack rather than ripping.
Follow-Ups
- Triangle choke when the head-and-arm line returns.
- Omoplata if the shoulder becomes available.
- Armbar when they extend to escape the crush.
Training Drills
- Slow triangle-to-slicer recognition drills to a light tap
- Omoplata scramble entries without hard finishing
- Rules briefing before live upper-belt training
Related Techniques
Deepen your study with complementary positions and attacks.
Summary
Bicep slicers crush the upper arm over a bone frame. Trap the forearm, control the wrist, fold slowly, and treat it as an advanced compression option — especially under IBJJF belt limits.