Instructions:Just complete the 2 questions at the following site then it will let you print off a 90p coupon for a tin of 90 pringles valid at Tesco.
Currently these are on sale for 99p making them 9p a tin. I just picked up 2 for 18p
Answers are 981 and 2446
Registration and software download / install is required.
The software is just a smill coupon manager file that is 100% safe