我去露營或負重行山時多數會用支行山杖，行山杖係輔助工具，用行山杖都要學，用得唔好，會影響步伐，甚至整傷上半身。
When I go camping or climb mountains with weights, I mostly use poles, poles are an auxiliary tool, and I have to learn to use poles, if I don't use them well, it will affect my pace and even hurt my upper body.