Thanks for the advice, guys, glad to know it's something that I can work out with practice. @chemboy : it's a dead mint Marbles Trailmaker from around 2005-2006 from what I was told, it was during the last years of U.S. production when Camillus was making the blades for Marbles. Love the fact that it has a small "U.S.A." stamped under the Marble's stamping on the blade tang. Wanna kill these ads? We can help!