Motor Actions (image) University of Vienna Caption These are the motor actions required to remove each individual lock: 1. Grab the pin at the top ring and pull up; 2. Unscrew the screw with 25-30 consecutive up and down movements with beak or claw; 3. Insert the beak underneath the lower and of the bolt and push it through the fixation ring; 4. Twist the wheel 90° and thereafter pull it towards your own body through the T-bar using the beak or the claw; 5. push the bar through its fixation. Credit Alice Auersperg Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.