http://www.fastcoexist.com/3062798/self-healing-clothing-made-from-squid-teeth-can-repair-itself They isolated proteins in squid teeth which have the ability to go from a liquid form to solid in the presence of water. Then they turned it into a coating which they applied to normal textile fabrics. As a result, apply heat, water and pressure and rips in the fabric heal up. There are a number of applications they've got in mind for this aside from the textile industry.