1. Great fitness accessory to tone and strengthen your legs - Turning dumbbells into ankle weights, this ankle strap allows you to easily add weighted exercises to your leg workouts, targeting muscle groups like glutes, hamstrings, quadriceps and hip flexors, by adding weights to your feet, you can easily do machine equivalent exercises and many other exercises, it's a great foot and leg workout accessory for women and men. 2. Gradually increase the intensity of your home leg workouts - The III Generation Dumbbell Foot Attachment is lightweight and doesn't take up any extra space, making it perfect for home gyms, personal trainers, athletes or busy people. A great alternative to bulky equipment like leg curls, extensions, pull-ups or monkey feet. A great way to add weight to your leg workouts, such as hamstring leg curls, high leg raises, back kicks, fire hydrants, clams, shin raises. 3. Tibia Trainer for Strengthening Tibialis Anterior Muscle - Can be used as a tibia bar or tibia dorsi calf machine, this is an ATG knee-over-toe device that trains your tibialis muscles, by strengthening the tibialis anterior muscles, knees and ankles, you can jump higher, run faster, improve balance, and potentially reduce the risk of ankle and foot injuries. Unlike traditional tibia bars, it allows you to extend your feet 360 degrees, exercising the tibialis muscles in a more flexible way. 4. Sturdy, safe and comfortable. Designed by professional rehabilitation trainers, the dumbbell foot attachment is made of sturdy fabric and reinforced stitching, this foot dumbbell attachment can hold 100 lbs dumbbells for leg raises or weighted barbell hangs (or up to 50 lbs for leg curls or donkey kicks). Convenient to replace foot weights. Bring it to family, friends or fitness enthusiasts as a fitness accessory or a nice alternative to leg curl/extension machines, we are sure they will love it.