Dog's-tooth check, also known as houndstooth or pied-de-poule, is a classic pattern that has been used for centuries in fashion and interior design. This pattern is characterized by small, jagged checks that resemble the teeth of a dog. Although it is commonly referred to as dog's-tooth check, there are several other synonyms for this pattern, including shepherd's check, puppytooth, pick-of-the-flock, broken check, and dogtooth. Each name gives a nod to the origin of the pattern and its resemblance to some part of natural life. Despite its various names, dog's-tooth check remains a timeless design that can be found in a wide range of colors and materials.