. The Bullet Time Cord for the Insta 360 ONE X2 camera means that you can spin the camera overhead in Bullet Time mode. Screw it into the 1/4-20 thread on the bottom of the camera pull out the retractable 43 cord its full length & then swing the camera above your head in a circular motion. A rubber ring on the bottom of the 1/4-20 screw ensures that no damage will be done to the bottom of your camera where the 1/4-20 threaded hole is. * Please not the selfie stick cannot be used when this is attached..