It is sufficient just to turn the internally-geared head. FineTune Pegs do not move in the pegbox, so wear on the pegbox is massively reduced, and they are not succeptable to atmospheric or climatic influence.
Wittner Peg Finetune Cello Medium 4/4 Pack of 4
Wittner Peg Winder for Violin Finetune Pegs
Wittner peg Winder for Cello Finetune Pegs
4X Finetune Violin pegs, 4/4 Violin Fine tune peg Mechanical string Tuning Tuner
one set Finetune Violin pegs, 4/4 Violin Fine tune peg Mechanical tuner
HoveeLuty Violin Peg Shaver 1/4-4/4 Violin Making Repairing Luthier Tools Instrument Accessories Violin Peg Reels Shaver Violin Repair Peg Tools Violin Peg Shaver Violinist Repair Tools