Answer: treadles

AnswerCrossword Clue
TREADLES

Foot-activated devices

TREADLES

Foot-powered devices

TREADLES

Foot levers on sewing machines.

TREADLES
Pedals.
TREADLES
Machine parts.
TREADLESFoot mechanisms
TREADLESFoot levers
TREADLESLevers on potters' wheels
TREADLESFoot-actuated devices
TREADLESLevers on looms
TREADLESSewing machine parts
TREADLESThey're worked by potters
TREADLESOld Singer parts