Buy a standard wrist roller if you want, but a homemade version of PVC pipe (1.5 to 2 inches is perfect) with climbing webbing attached is a cheap and amazing solution.
Check our power-rack version that we made out of aluminum tubing. The beauty of it in a rack is that you can truly test the grip without the shoulders giving out first.
related posts
Violent Variations - Part 2
High Stimulation Training Methods for Enhanced Growth
Tip: 4 Challenging New Ways to Do Sit-Ups
Turn the sit-up into a full upper-body exercise with these tough new exercises.
The Iso Push-up
It's probably the simplest training method imaginable, but it's oh-so effective in promoting shoulder stability and building power and strength. All it takes is a minute and thirty seconds, three times a week.
Tip: Fix Your 3 Biggest Rowing Mistakes
Having a hard time building your back? Here's the problem and the solution.