ban all retired and unemployed from shops between the hours of 12 and 2 when normal people are trying to buy some bloody lunch in thier bloody lunch halfhour.
also
ban any retired from using quick scan tills.
its a computer! face it, you cant use it!
AND take off the coin option from quick tills.
the new ones in my tescos are great, scanner works really well now, always picks up the barcode instantly.
slowed down by some biddy then feeding the bloody thing coppers and silvers.
cards only people!