. >> lieutenant mike pippen trains deputies every day in the use of less than lethal weaponry. >> thistingball. a number 15 stinger. this is a sensory overload device in which we will deploy, in a grenade fashion, pull the pin and throw the grenade. and in two seconds this will ignite and explode. the shock wave will literally stun the individuals in the immediate area. in addition to that, it also deploys a number of small rubber balls that will sting you. >> manufactured in england, the arwin gun shoots rubber projectile bullets and has been used by the sheriff's department for over ten years. >> and i've used it quite a bit when i was a sergeant and working patrol, where we would have suspects, as an example, armed with a knife where sometimes we were, you know, in the old days we were faced with nothing -- no other options but deadly force. utilizing the arwin, it's a very effective round. it will take you right down to your knees. it's like an 80-mile-per-hour hardball being delivered to your chest or your diaphragm or your legs. >> just recently added to the sheriff's arsenal of