When you are a beginner in your fitness journey, your coach probably asks you to strengthen core muscles and hand muscles. If your muscles are weak you will easily develop a long-term injury. To avoid it just increase your holding capacity with grip strengthening equipment. You will easily get grip strength equipment at the gym or you can buy one at home for personal use. There are different sports brands that launch their grip strengthener, purchase according to your budget and requirement. We would suggest you discuss with your coach before buying any kind of grip strengthening equipment because he will guide you the best.