Clowns pinch their noses, and expression packs are usually used to express a humorous, funny or naughty mood. It comes from the image of a clown, who usually entertains the audience with exaggerated expressions and behaviors. The action of pinching the nose is an exaggerated gesture, which is often used in funny or joking situations. Therefore, using a clown to pinch the nose expression pack can express happy, humorous or teasing emotions.