Herm Sprenger Professional Dog Training Whistle Half Check it gives your dog a

it gives your dog a comfortable range of movement on a standard walk

That kind of range makes it particularly useful for recall training or working with dogs in large open spaces

whether you're working on loose-lead walking or simply need a little extra control on the daily

What's in the bundle

Herm Sprenger Professional Dog Training Whistle Half Check it gives your dog aHerm Sprenger Professional Dog Training Whistle Whether you're working on recall at the park or training across open ground, the Herm Sprenger professional dog training whistle gives you a reliable, consistent signal your dog can hear even when you can't. The whistle operates at a frequency that is nearly silent to human ears, yet dogs can detect it at distances of up to 400 metres (1,300 feet). That kind of range makes it particularly useful for