yeah - IIRC one is to “stick” another card in the slot - so a Tesco Clubcard comes handy here 
oh here is the tip:
I passed Wilkos on A57 yesterday, its gigantic innit lol…
xlthunter:
oh here is the tip:
They’d better not send me there for a while or the local historians will be after my head 
tobytyke:
I passed Wilkos on A57 yesterday, its gigantic innit lol…
Aye, it’s massive