Got one of these for one of our dogs that has issues with thunderstorms, going to the vet or anyplace away from home in general. We did some training with it...puttting it on him just to get him used to it for 10-15 minutes a day for a couple of weeks. Took him to get his nails trimmed..first time in the year we've had him his nails actually got trimmed every other time we can back home without getting them done due to him freaking out. Works well with the thunderstorms too. He no longer jumps in your lap every time he hears thunder.