Clutching

She was clutching onto the railing to avoid falling down the stairs.

He was clutching the microphone nervously before his big speech.

She was clutching onto her hat so that it wouldn't blow away.

She was clutching her phone while waiting for a call.

He was clutching onto his phone for dear life.

The kitten was clutching onto the curtains while playing.

The soldier was clutching onto his weapon tightly as he entered the battlefield.