An old gent returns home one afternoon to find, as usual, that his elderly mother is obsessing over her dog. It’s quite an aggressive little creature with huge great teeth that it readily brandishes in his direction forcing a ritual retreat - without any dinner! She summons him presently but that’s just to take it walkies and even that isn’t without it’s hassles as this mutt has an habit of peeing on people’s cars and tripping up blind folks! That gives him an idea… Next day, same old same old but he decides to don a pair of dark glasses and pretend he can’t see either. This proves really quite...