Most have a metal surface, though some models have a rubber surface for extra traction.

I love the comment about extra weight giving you extra traction.

Rubber ferrules give extra traction on most surfaces.

Off-road shoes have studs or triangles for extra traction.

"It'll give extra traction," he explained, sheathing the blade.

A Controlled (limited-slip) Differential was included for extra traction.

This front-wheel drive vehicle has an electric motor which can drive the rear wheels when extra traction is needed.

The only reason that they hadn't been hauled away was the extra traction provided by Arex's third arm and leg.

This includes times when wear of the hoof exceeds its growth, or when extra traction is needed for horses in competition.

In operation, they are used to provide extra traction at low speeds.