Fooled?

Every day can be April Fool's Day for a dog.  They are suckers for the fake ball throw.  They don't know it is really in the armpit or behind the back.  Typically they will take the bait on a promise.  Let's go for a walk - when none is intended.  Best April Fool's day pranks involve a combination of a premise rooted in reality but pushed to absurdity.  Like a typical animal, chicken, but with purple feathers.