Dogtra Smart NoBark Bark Collar The barrier's thoughtful design includes

The barrier's thoughtful design includes upper and lower vents

turn it over and use the top to squeegee off excess water

while smaller pieces work well for lighter chewers

and as they chew it slowly reveals the nutrient-rich marrow inside

From Dogtra:

Dogtra Smart NoBark Bark Collar The barrier's thoughtful design includesDogtra Smart NoBark is our most accurate no bark collar yet, detecting barking, whining, and howling with a triple detection system that filters out false triggers. Paired with an app (but NOT required to run the collar) that tracks your dogs barking behavior and offers e collar control, it gives you full oversight and control, all while ensuring your dogs safety while improving barking behavior. Detects Ambient Noise for Accurate Correction Free