Bobby Pin (IMAGE) BMJ Caption These are the two pieces of the bobby pin (6 cm in length) with rusted and eroded tips. Credit BMJ 2015 Usage Restrictions Usage: Journalists are free to re-publish with the credit License Licensed content 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.