AS SEEN ON
The Exit Speed Developer is a revolutionary swing training aid that rethinks how baseball players build strength and hitting power. Advancing the traditional donut weight, Mach 1, Mach 2 and Mach 3 utilize a durable terry cloth parachute sized to suit your training level that creates drag throughout the extension and finish of the swing, providing complete resistance for the duration of the swing. Now you’re building strength, not using momentum, to follow through.
Exit Speed. Maximize your hitting power.