In what sport would you use crampons?

Answer 1

The purpose of Crampons is to gain purchase on slick ice when Mountaineering or ice climbing. Since ice has little to no friction the crampons spikes allow you walk or climb with out slipping or falling.

Answer 2

crampons are a spiked metal, horse shoe like attachment to the bottom of your boots for snow and ice climbing

Answer 3

Rock climbing, especially with glaciers or other ice