Video prompt: a tutorial for a new hairstyle for girls in 2023, featuring a woman getting her hair styled in a salon.
Defect: Deformation (any reason involved with a movement)
Explanation: The person's hand and the hair extension they are holding become distorted, twisted, and blurry. This blurring and deformation create an unclear and unnatural appearance, making it difficult to distinguish the hand from the hair extension as both shapes merge and lose definition.