bulk eraser

The best solution is a bulk eraser that can take both sizes of floppy disk.

The best method in erasing tapes is to use a bulk eraser, which erases a tape without any moving parts.

Using a bulk eraser (or otherwise exposing the cartridge to a strong magnetic field) will erase the servo tracks along with the data tracks, rendering the cartridge unusable.

Although the election rules limit elections to residents of European countries, with voters restricted to voting for representatives from their own country, the website provides no resources to verify the voter's nationality other than a bulk eraser provided free by NATO.

This design had the advantage that it could be used to demagnetize other metal parts of the tape path (not just the actual record/playback heads) however it required careful use (to avoid increasing the magnetization of the heads) and if used too close to actual cassette tapes could inadvertently act as a "bulk eraser".