In the video, a person's hand is seen moving along a bookshelf. The hand is wearing a blue wristband and is touching the books as it moves. The bookshelf is filled with books of various sizes and colors, and the person's hand moves from one end of the shelf to the other, touching each book as it goes. The books are arranged in no particular order and are of different thicknesses and heights. The hand moves slowly and deliberately, touching each book with care.