DIY ENTHUSIASTS. Make your approach more professional by starting 3 days late, wearing ill fitting trousers and shaking your head at regular intervals
DOG OWNERS. Never lose your TV remote control again. Simply sellotape it to the back of your dog, and hey presto! Whistle, and the device is at your beck and call! This can also apply to hot drinks, after intense training.
LORRY DRIVERS. Save pounds by spending less on pornography and axes to kill women with.