When used with the "night shades" attached to Speed's helmet, his vision is enhanced with infrared light.

Two of its legs seemed to be attached to the Klingon's helmet.

Cadmann touched a button and spoke into the tiny microphone attached to his helmet.

Eyeshield is a piece of football equipment which attaches to a player's helmet to protect the eyes from impact.

He hauled himself up in the seat, and found himself caught by the oxygen and radio lines attached to his helmet.

"Radio check," he said on his microphone, attached to his helmet.

One torch attaches to a spelunker's helmet so it is with him or her at all times.

When he broke his nose, he became one of the first college players to wear a face mask attached to his helmet.

It was attached to a miner's helmet and the miner himself came steadily on towards the slope.

As he neared it, he saw the end of the metal pipe that attached to his helmet still lying undisturbed by the wall.