CM Punk joined former UFC champions Forrest Griffin and Rashad Evans, plus #1 middleweight contender Luke Rockhold to test out the equipment at the EXOS athlete performance institute in Arizona.
On the same day when the UFC announced its major changes to its drug testing policies, they'd also unveiled a partnership with athlete performance company EXOS. Here's a snippet from their official press release from last month:
"EXOS, the leaders in training, nutrition and physical therapy for elite athletes, have worked with some of the best professional athletes in sport and will now begin working closely with UFC athletes.