Body Solid Tools – Dual Grip Medicine Balls. Don’t worry… you can handle it! Body Solid Tools Dual-Grip Medicine Balls can be used for both one-handed and two-handed exercises and are ideal for replicating a number of sports movements. They are also very efficient when used in conjunction with exercises targeting the abdominals and obliques. Body Solid adds durable rubber, easy-grip handles to offer you a sure-handed solution to your daily workout routine. Body Solid Tools. A good fit for your life. A great fit for your space.