Here's a very similar product. Are these the Chinese copies the article is talking about. https://www.amazon.com/Air-Trekkers-Jumping-Extreme-Exercise-Protecti

Here's a very similar product. Are these the Chinese copies the article is talking about. https://www.amazon.com/Air-Trekkers-Jumping-Extreme-Exercise-Protection/dp/B01EBL5OCW https://www.amazon.com/Air-Trekkers-Jumping-Extreme-Exercise...