Review (1/5): Doesn't work consistently
The handle on my e-file had a stain on it like it had been used before. When I plugged in the device and turned it on, it would spin then turn off by itself. I tried adjusting the cable plug into the file itself, thinking it wasn't fully plugged in, but it was fully inserted. If I turned the file at a particular angle it would spin again, but any slight movement would make it stop spinning.