https://www.youtube.com/watch?v=H2f8VCEF2dwIf you are planning on a Microtech Combat Troodon, you better have a strong thumb because this knife has a mighty strong spring.
Also don't gob a lot of oil on the blade, as it will cause the blade to derail.
If you have this happen just spray into the knife with Hoppes Blast&Clean, this will get you back to normal operation, and beats sending knife back to Microtech.