Dry-tooling involves climbing rock with ice axes and either crampons or rock shoes. It has its origins in mixed climbing, ice climbing and more recently sport climbing. Dry tooling is controversial among many climbers. Some favour it as a new and exciting kind of climbing, while others dislike it for its nontraditional methods and the permanent damage it can cause to certain, generally softer, rock formations.
The evolution of modern dry tooling started in the 1990s with British alpinist Stevie Haston in Italy establishing routes such as Welcome to the Machine, 009, and Empire Strikes Back (Grotta Haston, Cogne). In the United States and Canada, Jeff Lowe was influential in raising the standards, climbing routes such as Octopussy M8.
A common theme of these early routes was that rock was climbed to reach free hanging ice falls—ice falls that do not touch the ground. Protection was also mostly traditional hand placed pegs, nuts and ice screws. This reflects the influences of alpine climbing, mixed climbing, ice climbing of the early innovators.
More recently dry tooling has tended towards secure bolted protection and may not involve the presence of ice at all. The route is bolted and climbers can clip as they dry tool, similar in style to a sport climbing route.
Unsurprisingly the rise in standards was reflected in a surge of interest in competitions on purpose built climbing structures. These competitions mixed ice climbing with dry tooling on artificial features such as resin climbing holds, free hanging wooden logs/ ice bollards and even bicycle frames. Each year The Ice Climbing World Cup is held at a number of venues around the world from Switzerland to Russia. What was claimed to be the "World's First Indoor Dry Tooling Competition" was held in Glasgow, Scotland in March, 2003.
Drytooling competitions in the UK have evolved from the Scottish Masters to Scottish Tooling Series (2008-2013) and now in the form of the British Tooling Series and Scottish MIxed Masters 2014.
The evolution in equipment has been driven by the competition scene, resulting in leashless ice axes and lightweight ice climbing boots with integral crampons. Heel spurs were popular in the 1990's but their use has since been frowned upon by many activists and they have since been banned from competitions. Many of these evolutions have been embraced by the wider winter climbing community.