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Speed bag
01
スピードバッグ, スピードボックス
a small, inflated punching bag used primarily in boxing and martial arts training to improve hand-eye coordination and punching technique
speed bag
n
例
She hit the speed bag with precise rhythm and control.
Training on the speed bag helps fighters develop faster hand speed.
The boxer practiced his jabs and hooks on the speed bag.
The coach instructed him to maintain a steady pace while hitting the speed bag.
