"Ski poles, also referred to as poles (in North America) or sticks (UK), are used by skiers for balance and propulsion. Modern ski poles are most ...
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commonly made from aluminum and carbon fiber, though materials such as bamboo are still used. Poles are used in alpine skiing, freestyle skiing (with the exception of aerials), and cross-country skiing. Ski jumpers do not use poles." - (en.wikipedia.org 28.09.2019)