A person or thing that clutches; something that grips or grasps tightly.
From 'clutch' (Old English 'clyccan', to clench) + agent noun suffix '-er'. The '-er' suffix creates nouns for people or things that perform the action.
The word 'clutch' originally meant to clench your hand into a fist. Over time it expanded to mean gripping anything tightly—and then to describe that moment when you desperately need something to work (like your car's clutch pedal).
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