Dog Bark Deterrent Device, 3X Anti Barking Device for Dogs, 5 Modes 5 Adjust Barks No More Indoors Outdoors Behavior Correct Safe & Humane Rechargeable Compact Bark Control for Dogs Carnelian bestsellers_healthUK_Aug2023 The stretchy rubber of the bee06 The stretchy rubber of the hiking crampons makes it easy to slip over your hiking boot Comes with an elegant knitted hot water bag cover to prevent the hot rubber from being in direct contact with your skin to cause burns this device delivers 3X the coverage of standard units Humane and safe for 97% of dogs aged 6 months to 8 years (not suitable for dogs with hearing impairments or neurological disorders)