noun
snow traction mat
A mat placed under a car tire to provide traction on snow or ice. Wasei-eigo from 'snow helper'.
wasei-eigo (Japanese-coined English), from snow helper
雪道でスタックしたら、スノーヘルパーをタイヤの下に敷いて脱出を試みる。
If you get stuck on a snowy road, try to get out by placing a snow traction mat under the tire.