I AGREE WITH ALY. IF YOU SAY "OUCH" THEN THEY WILL SIMPLEY STOP. WELL THAT'S WHAT MY DOG DID. SHE DOESN'T DO IT ANYMORE . JUST KEEP ON GIVING HER LOTS OF LOVE AND KISSES AND SOONER OR LATER YOUR DOG WILL STOP. THEN YOU DON'T HAVE TO WORRY ABOUT ANYTHING OF THAT SORT AND SIT BACK AND RELAXE !