If you’ve spent any time browsing fitness gear online, you’ve seen the dizzying array of grip strength products on the market — hand grippers, fat grips, wrist rollers, rice buckets, grip balls, forearm blasters, and dozens of gimmicks promising to turn you into a monkey bar machine. Most of them work. A few of them are essential. And some of them are a waste of money for OCR athletes. Here’s our honest breakdown.
Worth the Money
1. Captains of Crush hand grippers. The gold standard for crushing grip strength. These heavy-duty spring grippers come in graduated resistance levels and are nearly indestructible. They’re portable enough to keep at your desk and challenging enough that most athletes won’t outgrow the mid-range models for years. Price: around $25 to $30 per gripper.
2. Fat Gripz or similar thick grip sleeves. These rubber sleeves slide over barbells, dumbbells, and pull-up bars to increase the diameter of whatever you’re gripping. Thick-grip training translates directly to OCR rigs and wall edges. Price: around $40 for a pair.
3. A cheap climbing rope. Nothing simulates rope climbs like an actual rope. A 1.5-inch manila or synthetic climbing rope that you can hang from a beam, tree, or power rack is one of the best OCR-specific investments you can make. Price: $50 to $100 depending on length.
4. Wrist roller. A simple wooden dowel with a rope and weight attached, used to roll a load up and down. This hits forearm endurance in a way few other exercises can match. You can buy one for $20 or build one from hardware store parts for under $10.
5. Towels. Yes, towels. Drape one over a pull-up bar and grip both ends for pull-ups, or hang it from a tree branch for rope climb simulations. A couple of sturdy gym towels do the work of much more expensive equipment. Essentially free.
6. Weight plates for pinch training. If you already own weight plates, you have a pinch grip trainer. Hold two plates together smooth-side out and pinch them between your fingers and thumb. Pinch strength is a weak point for many athletes and translates directly to rig obstacles with narrow attachment points.
7. A doorframe pull-up bar. The single best $25 you can spend on OCR training. A good doorframe pull-up bar lets you squeeze in dead hangs and pull-ups throughout the day, which is the real secret to building grip endurance. Price: $20 to $40.
Skip These
1. Grip strengthening balls or eggs. These squishy hand balls are marketed for stress relief and grip strength, but the resistance is too low to produce meaningful adaptation for an athlete who can already hold their own body weight on a bar. Save your money.
2. Rice buckets. Burying your hands in a bucket of rice and doing various movements is a popular grip training method, and it’s not without some value — but the actual strength adaptation is minimal compared to loaded exercises. It’s more useful as a warm-up or rehab tool than a primary training method. If you already own rice, by all means use a bucket of it. But don’t spend real money on specialized “grip buckets.”
3. Powerball and gyroscopic grip trainers. These spinning wrist gyroscopes look impressive and feel challenging, but the resistance profile doesn’t match what you need for OCR. They’re more useful for rehab and fine motor control than building the kind of crushing, holding, and hanging grip that obstacles demand.
The Essentials List
If you had to start with just three items, here’s what we’d recommend: a doorframe pull-up bar, a set of Captains of Crush hand grippers in appropriate resistance levels, and a sturdy gym towel. For under $75, you’d have everything you need to build serious grip strength at home — no gym required.
Add a climbing rope and a pair of Fat Gripz when you’re ready to level up, and you’ll have a home grip training setup that rivals most commercial gyms for OCR-specific preparation. The tools don’t need to be expensive. They just need to be used consistently.
Note: Wall & Wire is an independent OCR media outlet. We may earn affiliate commissions from links in this article, but our recommendations are based on what actually works for obstacle course racing, not on who pays the highest commission.
Find the Gear
Shop the grip tools that actually build OCR-ready hands:
- Captains of Crush grippers
- Fat grip bar attachments
- Hand grip strengtheners
- Climbing hangboards
- Wrist rollers
This article was researched with the help of AI tools and reviewed and edited by Hilton Campbell. Original reporting and quotes are our own.