Need to donate something to a charity shop? Wish you could pass on the memories too? Well now you can. Sign up to take part in an event that will allow you to tell your tale to future owners without ever having to explain your fashion choices face to face.

The 2003 Birmingham Flash Mob team are joining forces with talesofthings.com to create a new type of flash mob. A flash mob that leaves a subtle trace of the anonymous people that took part...