How to reuse broken hard disks

Even with hard disks that can not read or write data and can not be used as parts of personal computers, there is still much value available. That's why I tried collecting hard disks that are used other than the original usage.

Details are as below.
Side by side to Domino.
YouTube - Maxtor Hard Drive Dominoes

Attach a paper file to the grinder.
YouTube - HDD Grinder

The page of the person who made it is here. You can see a picture being created and a movie after completion.

HDD Grinder Mod by MetkuMods - Because you love your hardware!

Make it a speaker.
YouTube - Hard Drive Speaker

The creation procedure is here.

Hard Drive Speaker System

Incorporate a clock.
Hard drive clock

Combine the internal platter to a mirror.
The 42 Gigabyte Hard Drive Mirror

To the buckle of the belt. I do not notice it just by looking at it.
HDBuckle - a photoset on Flickr

PC case made from hard disk.
Hacked Gadgets >> Blog Archive >> Hard Drive PC Case