Nip has a calming effect on dogs. It relaxes them to a place of peace and tranquility they all crave. Doggijuana® perfected a really great delivery system for our Dogginip®, with our refillable, fun toys made for pawtiers. Enjoy some right now with our new Refillable Dogginip® Taco Toy. Stuff a pinch into the pouch for a healthy fiesta play session that will curb natural play instincts easing your dog into doggi-vana. Play Longer.