More of a Casual Dude

I'd never considered putting a tie on a dog. Then, I received a photo of Rio, our recently adopted foster dog. The traditional black and white Border collie looked smashing in a tie. Would a tie dress up Willis, the four-month-old foster pup? He was patient and willing for the dress-up game, but that's because he's a laid-back dude. We both agreed that a tie is not his look, but can't agree on what way best to accessorize him. Suggestions?