#1
I've had a look and Nut Tuning Lubricant coast more or less £6.
Is it worth buying it or does the graphite pencil trick do the job fine?

how long does the graphite trick last? i.e. how often would I have to do it?
And the same question about the Nut Lubricant.


One of my guitars seems particularly prone to this problem.
#2
yes, and you just use a tiny bit at each contact point. whenever you change strings.

It's made not to damage your guitar.
#3
all my eyes saw were NUT and LUBRICANT, and i lol'd.
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