Without a clutch (vehicle component), or without the use of the clutch. E.g., clutchless manual transmission.

(obsolete) simple past tense and past participle of clutch

plural of clutchplate

One of the plates in a clutch (device used in engine etc.).

In a manner which involves clutching at straws

plural of clutcher

One born in the same clutch of eggs.

plural of clutchmate

Tending to clutch; clingy or grabby.

plural of pearl-clutcher