September 18, 2020 at 4:19 pm
This Incredible Speed Bag Demonstration From the Guy Who Literally Wrote a Book On It
![This Incredible Speed Bag Demonstration From the Guy Who Literally Wrote a Book On It](https://twistedsifter.com/wp-content/plugins/lazy-load-0.7/images/1x1.trans.gif)
An amazing speed bag demonstration by Alan Kahn
An amazing speed bag demonstration by Alan Kahn
The song at the end is low key amazing
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