Smooth, non-porous surfaces work best—like glass, polished wood/sealed desks, laminate, marble, granite, and smooth tile.

On most sealed/smooth surfaces, it should remove cleanly. If your desk has a delicate finish, test a small spot first and avoid leaving it mounted for extremely long periods in heat.

It’s generally quiet for a punching product—more of a “thud” than a metallic clank. For extra quiet, mount on a solid desk and avoid hollow/loose surfaces.

Both. It’s great for quick stress resets and also for speed, timing, and light conditioning