I thought I'd seen this vid before, so it was probably here. But a search didn't turn up anything...
[video]https://www.youtube.com/watch?v=YMo7rkyBMsg[/video]
Apparently you have to send the metal bits to WPC, but it does look interesting.
[video]https://www.youtube.com/watch?v=YMo7rkyBMsg[/video]
Apparently you have to send the metal bits to WPC, but it does look interesting.