Video prompt: He holds up a pair of well-worn skate shoes, their soles scuffed and laces frayed, explaining their importance for grip and flexibility. The sun casts a warm glow on the scene as he places the shoes on the ground and slips them on with practiced ease. With a quick push, he glides smoothly across the park, his movements fluid and precise. He approaches a series of ramps and rails, executing a series of impressive stunts: a kickflip over a low rail, a smooth grind along a ledge, and a daring aerial spin off a half-pipe. Each trick is met with cheers and applause from a small crowd of onlookers, their faces a mix of awe and admiration. As he lands his final trick, he skates back to his starting point, a satisfied grin on his face, and gives a thumbs-up to his friends who are capturing the moment on their phones.
Defect: Deformation (when Object is involved in an act,  anything in this process that's weird. e.g. people walk into a wall. "Walk" is an act)
Explanation: The skateboard exhibits unnatural, paper-like shape changes, disrupting its expected stable form.