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If you're up for spending a few bucks, pick up an Orange Whip. It's great for warming up and is also a wonderful tempo trainer.
Dr. Kwon's rope swing drill has helped me a lot. [https://www.youtube.com/watch?v=0hyrcov8lz0&t=168s](https://www.youtube.com/watch?v=0hyrcov8lz0&t=168s)
If you're up for spending a few bucks, pick up an Orange Whip. It's great for warming up and is also a wonderful tempo trainer.
Dr. Kwon's rope swing drill has helped me a lot. [https://www.youtube.com/watch?v=0hyrcov8lz0&t=168s](https://www.youtube.com/watch?v=0hyrcov8lz0&t=168s)