Weimaraner pup with two trained dogs: matching gear

The first few months really do set the patterns for life — the right tools from the start make training easier and less stressful for both puppy and owner, and the wrong ones create habits that are genuinely hard to undo. You've already got a head start here: two trained resident dogs are one of the best learning environments a puppy can have. How old is the pup, what breed are they, and what are you mainly focused on right now?

That's a really smart instinct. Weimaraners are sharp, high-energy dogs and they pick up on social cues fast — having two calm, trained dogs in the house is a genuine asset. Before I point you toward anything, can I ask: what collar and lead setup are your adult dogs on currently? And are you working on loose-lead walking already, or is it more about crate training, recall, that sort of thing at this stage?

Perfect — that tells me exactly what you need. At 9 weeks, the collar's main jobs are ID, getting her comfortable wearing something around her neck, and setting her up for the flat-collar system her housemates already use. I'd go with the Rogz Puppy ID Flat Collar. It comes in a size that fits Weimaraner puppies from around 20cm neck circumference, it's lightweight so she won't fight it, and the plastic safety buckle is gentle if she does snag it on anything during that exploratory phase. Crucially, it's the same style and attachment logic as a standard adult flat collar, so when she graduates to a full-size one — which with a Weimaraner will be sooner than you think — there's no gear transition to confuse her. It also comes in colours that coordinate well with the earthy tones Vizsla and Lab owners tend to go for, if that matters to you. Pair it with a simple 1.2m lead in the same width as your adult leads when you're ready, and all three dogs will be on genuinely matching kit.

Yes — check the fit every few days, not weekly. Weimaraners grow in spurts and a collar that's right on Monday can be snug by the weekend. The two-finger rule applies: you should be able to slide two fingers comfortably under the collar at all times. The Rogz Puppy ID collar has an adjustable range so it'll see her through the next couple of months, but by around 4–5 months you'll likely be moving her up to a medium adult flat collar. When that happens, just match the width and buckle style to what your other two are wearing and she'll barely notice the change.