Metaklett Hook and Loop Fastener (IMAGE) Technical University of Munich (TUM) Caption Metaklett is a hook and loop fastener system developed by researchers at TUM, the Technische Universitaet Muenchen. Like Velcro fasteners, Metaklett devices can be easy to secure and release, yet they can withstand very strong mechanical stresses, high temperatures and harsh chemicals. Credit TUM Institute of Metal Forming and Casting (utg) Usage Restrictions None 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.