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The foot bar is that part which differs it from other scooters. Customers just need step on treadle to make it glide, no need drive the ground. 这个踏杆就是酷步车与其它滑板车不一样的地方，只需踩动踏杆就可以连续滑行，无需蹬踩地面。 blog.sina.com.cn