Compressor. Selling as the pedal adds quite a bit of grit to the signal, which I thought was a mistake, but apparently it's supposed to do that so I suppose it's just not my cup of tea.
See here for details
http://www.musicradar.com/forum/showthread.php?t=40302
It's made in Japan if that makes a difference to you. People always seem to say that makes things better.
£40 posted and paypal'd.
