This didn't always stay put and so developed as time went by, into the geared sets we typically see today. These guitar locking tuners began life as non-geared friction tuning pegs to hold guitar string tension in place. They are technically called guitar tuning machine heads and can go by various pseudonyms, such as gear-heads, tuning-mechanisms, tuning-keys or solely by peg holes, gears, machines, tighteners and a whole host of other slang terms as well.
Locking Tuners Buyers Guide What is a locking tuner?Ī tuner can be one of two things but, in this case, we are referring to the tuning machines of your headstock, those of which you turn to tighten or loosen your guitar strings.