Technique of correcting recurrent hyperextension and locking of proximal interphalangeal joint. A, Lateral view of extensor hood and flexor tendon sheath. B, One lateral band of hood has been detached proximally. C, Detached band has been threaded through small pulley made in flexor tendon sheath opposite proximal interphalangeal joint and has been sutured to hood under enough tension to create slight flexion contracture of joint. SEE TECHNIQUE 66.25.