Instructions:Just tested this on 2 x £2.50 t shirts in the clearance,it worked fine.
Add code at view cart stage,coupon box on bottom left of page.
Piccy in 2nd post.
Have also added a few other codes that work too.
Postage is £4.99 standard p&p mainland uk.
free Krew cap worth £10 with any backpack code KRCAP
skateboard dvd set boxset worth £30 with any order over £10 code BOXSET