Examples of Butchery Marks on Throat Bones (Hyoids) from Harlaa (image) University of Exeter Share Print E-Mail Caption Examples of butchery marks on throat bones (hyoids) from Harlaa indicating slaughter using Halal butchery techniques. Credit (photo. J. Gaastra) Usage Restrictions None Share Print E-Mail 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.