How to Fix a Gritty Foursevens Mini MK II Thread

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How to Fix a Gritty Foursevens Mini MK II Thread
Some Foursevens Mini MK II Titanium flashlight users have reported thread grittiness, and we can't have that! The issue turns out to be with the spring, so we created a short tutorial on modifying the spring with some pliers and applying lubrication to the threads.