The AutoLock's patented locking mechanism ensures the baton will stay locked open while striking, blocking or jabbing Closes with a push of a button no need to strike the baton on the ground Open passively or in a high-profile manner Rotating shafts help maintain control of the batons during a struggle The AutoLock was developed through cutting-edge engineering that combined the advantages of friction lock and positive lock technology. The technologically advanced, patented AutoLock baton is ready at hand when you need it and out of the way when you dont. It's easy to expand, and when it's time to close, simply push the button in the end cap. No need to look for a hard surface to collapse the baton. Includes Standard Cap. For Dome Cap Adapter add SKU MON-DCA and for Wedge Cap Adapter add SKU MON-WCA.