discreetlever
nounUK /dɪˈskriːtˌliːvə/
US /dɪˈskriːtˌliːvər/
A discreet lever is a small handle you push or pull quietly and carefully.
She used the discreet lever to open the secret door without making a sound.
OTHER MEANINGS
2. A lever designed to work without drawing attention.
The spy pressed the discreet lever under the desk.
3. A person who quietly helps move or change something.
He was the discreet lever behind the whole plan.
4. A small tool used for gentle lifting.
The mechanic used a discreet lever to nudge the part into place.