双排轮滑曲棍球a traditional form of roller hockey (= a type of hockey game played on roller skates) in which the players wear quad skates (= roller skates with four wheels on the bottom, two at the front, and two at the back)
Quad hockey is a team sport that enjoys significant popularity in a number of Latin American countries.
In quad hockey roller skates are used, while in inline hockey inline skates are used. 双排轮滑曲棍球比赛使用双排轮旱冰鞋，单排轮滑曲棍球比赛使用单排轮旱冰鞋。