These clamps were invented by Egil E Hyggen in 1968, for which he was awarded a major design prize in Norway. According to the company which manufactured them, Christiana Spigerverk, they ended production in the mid 1980s but were available in many countries for much longer.This item is significant because it shows how snow driving safety has evolved over time.A set of Norwegian manufactured wheel clamps for safe driving in snow and icy conditions. They are displayed with a poster explaining application.wheel clamps, snow driving safety, snow grips, snow chains and safety 1970s

This brochure was produced by the Country Roads Board in 1976. It became the Board's most popular driver education publication. The brochure was reprinted after requests for 20,000 copies were received from interested authorities and individuals. A revised addition was released in 1978.This document is significant because it documents approaches taken towards safety as the ski fields became more popular, An orange and white brochure with black text. Produced by the Country Roads Board, it aims to educate the public about appropriate driving behaviours and precautions for driving in snow conditions.CRB Snow Driving - It's an Artcountry roads board, road safety, driving in snow conditions