Crossword Genius

Tyre so bald, sons twice pulled out foot-lever (7)

Ross

I believe the answer is:

treadle

I'm a little stuck... Click here to teach me more about this clue!

'foot-lever' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for treadle that I've seen before include "Foot-pedal" , "driving mechanism" , "machine operator" , "(Machine's) foot-control" , "Machine foot-lever" .)

I've seen this clue in The Independent.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.