Guys who don't want to wear full body leprechaun mascot costumes while they bar hop on St. Patty's Day might consider wearing a traditional shirt and jeans, while rocking the holiday with shamrock shades, a green wig or a shamrock top hat.
Before the 1914-18 war he always came to college in a top hat and morning coat and did not wear overalls in the laboratory.
Now you can slide the box spanner over the top hat Nut, this also needs turning anti-clockwise whilst holding the tap.
Don't imagine it wearing a top hat and tap-dancing on a tightrope.
It was selected with skill and insight by Patrick Johnson who, resplendent in top hat and tails, played it on the piano.