He's counting them in - and counting them out; that's why you can count on shopping safely in Poundland, Ormskirk...
Some 30 customers a time are allowed in with this member of staff and his clipboard ensuring everyone shops safely and in accordance with government guidelines.
You'll find staff at most busy shops monitoring 'safe' numbers of shoppers allowed in; queues are the new normal on Thursdays and Saturdays at places like Aldi and Booths.