Dental Floss Guitar Strings

With the support of a company that makes rings to hold floss (so you don't hunt your fingers wrapped in floss), Ewan Dobson figured out how to twist dental floss into usable guitar strings.
He plays them for 3min 16 sec and could probably play them even longer.

Here's the video link:
Ewan Dobson playing a dental floss guitar

Score another use for dental floss!