Answer: ratchet

AnswerCrossword Clue
RATCHETPawl engager
ratchetwheel or bar with teeth
ratcheta mechanism which allows motion in one direction only / to move by a ratchet mechanism, also RACHET
RATCHETMechanism in a unidirectional wrench
RATCHETPawl's partner
RATCHETToothed bar
RATCHETTightening tool
RATCHETSprocket
RATCHETWheel with sloped teeth
RATCHETIncrease in increments, with "up"
RATCHETToothed wheel
RATCHETToothy wheel
RATCHETSteady progression up or down
RATCHETShop tool
RATCHETPawl's complement
RATCHETToothed tool
RATCHETPawl
RATCHETDetent.
RATCHETToothed wheel.
RATCHETPawl.
RATCHETPawl or detent.
RATCHETPawl or click that works with wheel.
RATCHETIncrease gradually, with "up"
RATCHETEscalate, with "up"
RATCHETToothed wheel that's often part of a set
RATCHETMove by degrees