These new winter tires have studs that retract as it warms up

Nokian provided flights from Austin, Texas, to Ivalo, Finland, and accommodation so Ars could visit its test facility. Ars does not accept paid editorial content.

IVALO, Finland—In 1987, fictional superspy James Bond careened around a frozen lake in an Aston Martin in the movie The Living Daylights. Bond’s tires were carrying a secret—retractable tire studs that operated with the touch of a button. After cutting a circle in the ice with a wheel to sink the bad guys, Bond deployed his outriggers...