Why do some guitars have tuning pegs on the back of the guitar? - Quora
1 Piece Guitar Tuning Peg Single Keys Left and right side of Acoustic Guitar Machine Heads Semi-enclosed Encore Guitar Spares - Guitar Saparate Tuning keys
Guitar tuner: Tuning pegs that will help you tune your guitar strings - Times of India
What To Do When Your Guitar Pegs Become Stuck - Music Sorb, humidity control for wooden instruments