At the time the pups eyes and ears open, they are familiarizing themselves to sound, smell and taste. It is often advised that Weimaraner pups be given toys in their whelping box to stimulate their senses. This would be feathers wrapped in cloth and anything it is safe to taste and explore. Some breeders start association with a friendly cat in order to enhance its socialization skills. Having them used to cats will not let them mistakenly lead you to a nuisance feline rather a game in the future. Handling the puppy continually, while talking to it in a soothing voice enables it to get used to a human voice.