The Phiston MVR-HDD doesn't simply make a drive inoperable by folding or punching a few holes in it. The MVR's proprietary 20 ton crusher, and patented corrugated crushing plates, aggressively crush and grind together all the magnetic storage platter surfaces and sensitive read heads in HDDs, damaging every square inch of the media (not just a few holes, or parts of platters folded), rendering all data storage surfaces destroyed.