Of course you don’t need it, that’s why we offer a variety of products for your satisfaction! What you will get with the Skywalker is probably a little bit more assurance in knowing that this is a trampoline that professionals trust. A rounded surface can offer more opportunities to lose footing and fall in a way that a rectangle just won’t. The even bounce technology just complements this in not allowing participants to bounce more askew to the side, or in any other uncontrolled manner.