Clutch Pencil Mechanism Demo Motion Study

Create a 10-second product demonstration from [clutch pencil operation reference]. Show one button press, the supported lead movement and release into the held position. Keep lead diameter, jaws and button geometry fixed across shots. Do not animate twist advancement or unsupported clicks. End on [approved product pose] with a blank CTA area.

Confirm required reference images and timing inputs are present before generating. Keep objects, identities, spatial relationships and light direction consistent. Render the clip when video generation is supported; otherwise supply a timed shot list, reference checklist and generation-ready prompt, labeled as a production plan. Do not claim rendered output without an actual file. Check the opening, transition and final frame against the stated counts and geometry.