fretpress
nounUK /ˈfrɛtprɛs/
US /ˈfrɛtprɛs/
A fretpress is a tool that holds the strings down on a guitar so you can play without using your fingers.
He used a fretpress to hold the chord while he tuned the guitar.
OTHER MEANINGS
2. A device that presses frets into the neck of a stringed instrument during building or repair.
The luthier used a fretpress to seat the new frets evenly.
3. A machine that stamps or shapes the frets of an instrument.
The workshop's fretpress can shape twenty frets an hour.
4. A small clamp that holds a string against a fret to produce a fixed note.
She clipped a fretpress on the third fret to keep the drone note steady.