Among other skills, you can find out how quickly you react, how agile you are, and how accurate you are using these tools. With both bags, you can practice various combinations and jabs to improve your skill. Among the moves on the list are those associated with MMA, including kicks. Even so, if you are looking for more advanced movement, the double end bag is best for you. To achieve the best results, these bags should be used in conjunction with regular training. Beginners may like the Cobra reflex bag since it requires less control and doesn't require any installation. Boxers with experience prefer double-end bags, however.