Train your body to run faster and more efficiently with the ProPulse Speed Trainers from WeckMethod! The compact hand weights aim to help you increase your running speed and distance while remaining injury-free. They use audible and tactile feedback to coordinate your timing and rhythm when exercising. Go Here to find out more . The ProPulse Speed Trainers are meant to replicate the effects of holding kettlebells and dumbbells while exercising, without being so cumbersome. Each Speed Trainer contains shifting weights which, when combined with the fluted design, create dynamic resistance and enhanced sensory feeling. At only 4 inches long and weighing 12 ounces, the Speed Trainers are ergonomic, versatile, and easy to use. You can use ProPulse Speed Trainers for many different sports and activities. Runners see the most benefits, as the audible feedback returned helps sync up cadence and stride, which in turn improves form, vertical force, and ground contact. They can also be easily incorporated into plyometrics, bodyweight training, and conditioning. MMA fighters are also utilizing Speed Trainers, as they help develop punching power, hand speed, strike timing, and footwork. In a recent survey, 90% of ProPulse Speed Trainer users reported an improvement in their performance. To back this research up, the Speed Trainers come with a 100% satisfaction guarantee. That being said, if you aren't happy with the product, or if you're not getting the results you are looking for, they do offer a 30-day return policy. WeckMethod founder, David Weck, invented the ProPulse Speed Trainers. They have been featured in Men’s Journal, Strong, Train, Muscle & Fitness, Active, Stack, and Shape. Professional organizations are also using them, most notably the Indiana Pacers, Atlanta Falcons, and the U.S. Air Force. Weck is also known for inventing the BOSU Balance Trainer, or BOSU Ball, which is now a staple piece of equipment in gyms across the globe. In addition to the ProPulse Speed Trainers, WeckMethod also carries products from brands like BOSU, RMT Club, SoleSteps, and Hybrid. Moreover, their online store offers drills, instructor training, workout plans, and product guides. WeckMethod also operates a brick-and-mortar performance-training center in San Diego, CA, with a weight room, live training, and fitness classes. A satisfied customer said: “The ProPulse Speed Trainers are extremely effective when combined with elliptical, treadmill, and HIIT training at max heart rate. I was surprised at their versatility in my cardio work. They kept me focused, and the added weight gave me a little extra push.” See how the ProPulse Speed Trainers work by visiting here