The search didn't help me at all.

So i have some lockers on my Washburn, and the other day when i was re-stringing my b string, the knob to locking the tuner came off. The tuner was then stuck in the locked position. I tried re-screwing the knob back on, but no matter what i do, its still stuck in locking position. Any help? I really don't want to end up doing surgery on my guitar.
Unscrew the locking "knob", drop some WD-40 inside the hole, wait two minutes and it should loosen.
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