>>6506976We'd pick them up, holding most of their weight with one hand under their belly and pulling the back of the neck a bit with the other (Just so they feel it), use the "angry parent" tone telling them not to go on the table/counter, put them in the bathroom where the litter box is and then close the door.
30 minutes is a long fucking time for a cat. It doesn't take many times for a cat to notice a pattern.