''I start early and when I get here I put him on a lead and take him around with me, restocking the shelves and things. I do 10,000-15,000 steps in the shop in a day, so that tires him out and by 10am he's done his two hour shift and is ready for a sleep.''
When he's not sleeping, he spends much of his time sniffing out a bargain, says
Catherine.
''He has snacks and sleeps, so he's not the most productive volunteer, but he's probably one of the cutest.''
At home Catherine says it's a bit like having a newborn, and she has had a few sleepless nights.
''That was until I had some sage advice from one of the volunteers to put him in the garage in a pen,'' she says.
While the store is open six days a week Jock is only there Monday to Friday.