Thundershirt for CatsDescription Thundershirt uses gentle hugging to calm your cat. With its patented design, Thundershirts gentle, constant pressure has a dramatic calming effect for most cats if they are anxious, fearful or overexcited. Based on surveys completed by over two thousand customers, over 80% of cats show significant improvement in symptoms when using Thundershirt. Thundershirt is already helping hundreds of thousands of cats around the world and is