You also have to "digitate" them which involves sticking your finger into their butthole so that their ass doesn't get inflamed and they start wiping it everywhere.
Yeah. Apparently it "cleans their anal glands". One wonders how evolution could have failed to provide a means of doing this without outside assistance.
My dog hates vacuums. In fact, based purely on his movements while sleeping, I'm going to go ahead and say this is what his nightmares looks like. All not being able to bark.