Spyderco Tern™ G-10 BlackPRE ORDER The BY23 byrd Tern is a non locking folder. Folding knives with blades that don't lock open are in many cases the only legal carry pocketknife option in countries and cities where restrictions have been adopted forbidding carrying folding knives with locking blades. As more counties enact strict knife laws, the concept of non locking knives continues gaining momentum. The Tern has a black G 10 handle resistant to warping and fading. The