Dogs can't chant… ...But they do get stressed. Help ease Fido's fears with the Zendog Calming Compression Shirt. The drug-free way to fend off separation anxiety, noise anxiety (including thunder), travel anxiety, and general nervousness. Swaddling, (or applying gentle, maintained pressure) is well-known as an effective way to calm babies. Fur babies are no different. Like humans, pets have pressure points that, when activated, help calm even the most anxious dogs.