Buffalo horn whistle, 6 cm. Two-tone: whistle and trill tone (ideal for training and hunting)
Coachi Two Tone Whistle, Train Two Dogs, Train Different Commands, Tough Material, Adjustable Reflective Lanyard, Traditional, Recall Training, Lightweight & Compact, Dog & Puppy Training
The Company of Animals Two Tone Whistle, Train Two Dogs, Train Different Commands, Tough Material, Lanyard Included, Traditional, Recall Training, Dog and Puppy Training
Nobby Buffalo-Horn-Whistle Two Tone, 9 cm
Suammiitstrieadea Stainless Steel Puppy Pet Dog Whistle Two-tone Flute Stop Barking Repeller Cat Training Keychain Whistles
ACME Double Tone Whistle No. 640 - Dog Whistle with Whistle and Trill - Frequency Standardised Recall - Ideal for Hunting Dogs (Neon Green)
