Try using a training whistle like this one by SportDOG if you discover that your dog isn’t really complying with voice commands. Dr. Veterinarian, dog trainer, and creator of the blog Trending Breeds Amanda Takiguchi is a firm believer in one. She claims that she only ever needs to train her dogs with herself, a collar, a lead, a whistle, and these four items. “I prepare my dogs for working trials. Searching, being obedient, and being agile.
This whistle has a high pitch, which makes it more likely for your dog to respond to it, but it doesn’t contain a small ball, so it won’t make the obnoxious trill sound. Additionally, you can lower your voice so it is quieter when your dog is close by.