Want to improve your forearm, hand and finger strength for your next Spartan Obstacle Race? The SPARTAN Grip Strength Ring is an extremely effective finger-hand-forearm strength and endurance trainer.  Use it almost anywhere/anytime - at your desk, in the car, walking, etc.

Start with 5 sets of 10 reps with around 30 seconds/1 minute between sets, three times a week for best results over time.