I had a Lab that would pee on command. When he went to the vet for his checkup, the vet would give me a jar and tell me that he needed a urine sample. I told him to "hang on, I'll be right back". I'd take the dog outside and tell him.."Snickers....go pee" and when he lifted his leg, I got the sample and went back inside to the vet's. He was one unique dog.
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