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Not long ago John pointed me to a sale at Woot for a device which destroys CDs or DVDs. Having a huge stack of discs to dispose of and costing only $4.99 (+$5 shipping) I decided to order one. Today my Sanyo “The Claw” CD/DVD Media Destroyer arrived.
Yes, that’s exactly what it says on the box, not far from the part which shows that it is Compact Disc and DVD compatible. Too bad it doesn’t do Blu-ray.
After eating some dinner I set to work processing discs, and with a ~2 second cycle time per disc I was able to get through 163 discs (one after another) before The Claw stopped working, with a FreeBSD 3.2 CD stuck in the drive. Thankfully it was just a thermal shutdown, and after allowing it to rest in the garage for half an hour I was able to continue processing the discs, chewing through the remaining 70 or so in no time flat.
The Claw works by pinching the media between two spiked rollers, which put a bunch of small indentations all over both sides of the disc while at the same time somewhat deforming the plastic so that the disc isn’t really flat nor round. A test audio CD made a bunch of horrible noises when placed in a top load radio, so I can only imagine what putting one of these discs in a normal reader would do.
Here is a detailed image of what The Claw did to a NT 5.0 beta CD and here’s similar damage to a CD-R, including delamination of the foil. Here is a 600dpi scan of a processed CD-R showing the typical damage pattern.
Now that I’m done processing that giant stack of discs I’m not sure what to do with it. I could relabel it as a DVD cleaner and drop it off a the Salvation Army, but that’d just be mean.
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