King's Kung-Fu& Tai Chi

Is the spinal lock without a choke legal?

Rules for the spinal lock without a choke in 5 rulesets.

Rules change. Check the official rulebook for your event before competing. This site is not affiliated with IBJJF, ADCC, NAGA or Grappling Industries.

IBJJF

The IBJJF table lists spinal locks without a choke. Neck cranks, twisters, and can openers aren't named, but that is the rule that covers them.

ADCC – listed as “Neck crank, can opener, twister”

The Opens grid allows neck cranks "except cervical", can openers, and twisters for adults and masters. The World Championship rules allow can openers and twisters but ban neck cranks that trap both shoulders and push the neck down, like a full nelson.

NAGA no-gi – listed as “Neck crank”

NAGA gi – listed as “Neck crank and twister”

DivisionStatus
Kids 13 and underIllegal
Teens 14 to 17Illegal
White beltIllegal
Blue beltIllegal
Purple beltIllegal
Brown and black beltIllegal

Grappling Industries – listed as “Neck and spinal cranks”

See also

Data from bjj-data by Grapple Flows (grappleflows.com), licensed CC BY 4.0; reformatted into tables on this page.

Data: bjj-data (Grapple Flows) (CC BY 4.0). Retrieved 2026-10-22.