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
Tip: 3 Moves to a Better Front Squat
Can't get comfortable with the front squat? These drills will get you there.
A Singular Workout
If you're a bodybuilder and you've spent your weightlifting life doing sets of 8,10, 12, etc., doing singles will absolutely blow you up. A terrific idea and a terrific program that'll raise you head and shoulders above the competition.
Running Man
A running program that won’t cause muscle loss. In fact, it’ll help you gain muscle. Check it out.
T-Nation Strength and Size Roundtable - Part 1
A cadre of coaches discuss various bodybuilding and powerlifting topics, including the wisdom of trying to build size and strength at the same time, and the relative benefits of isolation movements vs. compound movements.