Close-up shot of an ultra-sharp industrial knife or saw slowly cutting through a glossy green bowling ball on a sturdy surface. The scene is clean and industrial, with minimal background noise. Captured in high-definition ASMR, each sound is precise: the initial resistance of the hard outer shell, the deep grinding as the blade makes its way through the dense material, and small bits or flakes falling away. The contrast between the rigid material and the sharp blade creates a uniquely satisfying and intense sensory experience. Shot in 4K with emphasis on texture, tension, and sound.