As I couldn't go to gym after dentist I got a lift to Morrisons, walked in shop with no 'chair present, walked all around the shop, bought 2 items (put in my shopping basket which I was carrying), queued up, bought 'em, walked back out of shop to car, walked from car to home
AND I was able to use my small Morrison's Match & More card, the small ones are for shop, the big one for the petrol station.