Hi there! You are currently browsing Agline as a guest. Please login to your account to access pricing and online ordering. Don't hesitate to contact our friendly team if you experience any issues. Home / Dog Products / Training / Sprenger – Soundless Training Whistle Sprenger – Soundless Training WhistleLogin to view prices SKU Description PriceStockQuantity HSWHISTLE Sprenger - Soundless Training Whistle - Assorted Colours Login to view prices Add to regular order list.