If you think your child would prefer a chew bracelet (rather than a necklace), then I really endorse this extra thick chew bracelet for teenagers with autism. It's realistic, discrete and chew resistant. Lots of dogs demonstrate signs of anxiety via extreme barking or pacing, and these calming chews work https://collincmsak.jiliblog.com/89848034/pet-stress-reduction-pack-fundamentals-explained