The grenades must only be used at a licensed Paintball and/or GellBall venue in which all players and staff are wearing safety goggles. Permission must be obtained from the venue operator prior to use. These should not be used / on display in a public place. Using the grenade innapropiately may cause harm to another person or the user. Only charge the grenade when ready to use and throw in a direction immediately once the pin has been pulled. Throw in a direction that will not make contact or within 3 meters of a person.