The knob-twiddlers in the studio spent hours perfecting the analog synth's warm tone.

The studio hired a seasoned knob twiddler to fine-tune the vintage amplifier before the session.

At the soundcheck, the knob twiddlers argued over who would tweak the EQ settings first.

When the old amplifier started humming, we called in a knob-twiddler to fine-tune its settings.

The knobbiness of the old walking stick made it easier to grip on rainy days.

The knobbliness of the old oak tree's bark fascinated the children on the nature walk.

Several knobbers gathered in the workshop to refurbish the worn dials of the antique radios.

The old oak's knobbily twisted branches cast strange shadows on the path.

The old workshop was full of strange knobblers that clattered like wind-up toys.

The experienced keeper kept a close eye on the knobbler as it learned to navigate the reserve.