thumbscrew

thumbscrew Definition

thumb·screw (t̸hum′skro̵̅o̅′)

noun

a screw with a head shaped in such a way that it can be turned with the thumb and forefinger
a former instrument of torture for squeezing the thumbs

thumbscrew Usage Examples

Converse of object

tighten: You know how you're supposed to tighten the thumbscrews on the block alternately to make sure the pressure is even all the time?
use: Using the thumbscrew helps in not tightening too much.
remove: The air inlet is provided with a dust filter, accessed by removing two thumbscrews.

Noun used with modifier

brass: These banksticks are constructed of 100 % metal & feature double brass thumbscrews with nylon tips & T-bar.

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