There was a two hour window to drop your clothes in and then a return time of midday to start shopping. You simply hand over your unwanted items, get tokens to 'spend' and away you go!
This is not for the laid-back shopper, you really must be hard core as the snatch and grab is very intense. Even if you don't find something to take home all left-overs go to charity so it's a win/win situation.
Sign up and have a go!