Moses, a Meadowbrook High and U.Va. graduate, also brought his — he’s a recent convert.

“I’d heard so many good things about it,” he said. “I went to Miami for a month to train, and I started using it, and I was like, I had to invest and buy one.”

There’s one obstacle for him, though. In his small hotel room, the air compressor attached to his unit heats up the room, heating up the chamber.

Moses cranks the air conditioning as low as the room will go — about 60 degrees — before jumping in. He said he recently found out he can buy a dedicated air conditioning unit for the chamber, which he said he’s going to order.

For the players who use the chambers, they’re after any advantage they can get as they endure grueling training camp workouts and a 16-game season. It’s why a group of players, including DeSean Jackson, brought their personal chefs to Richmond this year, and why the most crowded place after a workout is the cold tub.

Cousins said it’s about more than just achieving peak performance — it’s about protecting all the work he’s put in, and having the opportunity to extend his career.

“I want to play this game as long as possible, so I’m trying to be very proactive in doing the right things,” he said. “I’ve only had it for about a year, but I feel like it has been a tremendous help.”