Turn the "L" (low) limit screw clockwise to prevent the chain from moving too far to the left (and potentially into your wheel).
Turn the "L" (low) limit screw clockwise to prevent the chain from moving too far to the left (and potentially into your wheel).
Change a Lightbulb in a Recessed Light
Adjust the Action on a Guitar
Adjust a Rear Bicycle Derailleur
Adjust a Football Mouthpiece