I do fitness boxing once or twice a week. However, due to the current Lange, boxing has definitely taken a back seat. Sparring is no more. Fitness is now in the foreground. Definitely important and right. But I do miss boxing. I'm studying a double-ended boxing ball. What experiences have you had with it? Does it do anything? Which product do you recommend to improve speed and coordination, i.e. technique in general? I found these two: https://www.galaxus.ch/de/s3/product/adidas-double-end-boxball-boxsack-12440503 https://www.galaxus.ch/de/s3/product/leone-punchingball-22cm-boxsack-12439901

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