"Down to the right, hole about one hundred yards from here," he said as soon as Dom's helmet touched his.

The helmet should touch your head on the front, back and sides.

Most also allow children to ride in the sidecar as long as they wear a helmet and their feet touch the floor.

He didn't nod as he'd normally have done if their helmets weren't touching.

He leaned forward until their helmets touched, allowing sound vibrations to pass from one to another.

She gestured to him to turn off his suit radio and moved so that their helmets were touching.

He bowed forward, until his helmet touched the ground, then collapsed.

The doctor leaned forward so their helmets touched and they could speak without shouting.

Paul had put his helmet on, and we lay in the hole so that the helmet touched my control box.

The glider pilot held the nose up, touched his helmet, ready.