Murray Brothers "Caddyshack" restaurant opens - if it wasn't for the sign, it would be a pretty non-descript building.
http://wgntv.com/2018/04/17/bill-murrays-caddyshack-restaurant-opens-today-in-rosemont/
And that's only if the person giving the shots doesn't know what they're doing. They have a spray that numbs the shot area and you never feel the shot(s). Then comes the nitrous...
Or using an empty tennis ball can to temporarily patch an exhaust pipe.
Or pouring a quart of oil down a straightpipe glass pack to fuse the glass & give it that low rumble.