"judge judy." 15-year-old ryan bryson says former friend zakk mccann knocked out his teeth with a bottle. zakk says the accident was ryan's fault. >> judge judy: if you take an instrumentality and use it in a way other than for which it was designed -- do you understand what that means? >> yes. >> judge judy: and there's an accident with it, you are at least partially responsible. now, if you were drinking that and he ran into the bottle, then he caused that himself because you were using it in a way that it was designed to be used, 'cause you were drinking it. >> mm-hmm. >> judge judy: but you weren't using it that way. you were playing catch with it. >> yes, ma'am. >> judge judy: and if you're playing catch with something that's dangerous -- clearly, it could be dangerous, right? >> yes. >> judge judy: then you have to use care, right? >> yes. >> judge judy: now, i'm not saying that it's all your fault, because he chose to play with you, and if you think for a minute that i believe that you were rolling this, you're nuts, 'cause i know you weren't rolling it and you know you weren't ro