Locking tuners make guitar playing much easier. Essentially, locking tuners keep you from having to constantly tune and retune your instrument by keeping the chords locked in place.
In this tutorial, learn how to change the strings on a guitar that has locking tuners installed on it.
This process is slightly trickier than it would be on a normal guitar, but well worth it for the benefit of locking tuners.
So, check out this video and learn to re-string your guitar so that it plays the best it possibly can.
TIP: Use the graphite on the nut.