Useless gadgets.

Don't you just love those comics that come through the post, which feature hundreds of those "how can you live your life without this invention" bits of tat.

This one made me think... So there you are alone at night walking on the common without a dog. You see someone approaching you, who might want to knife you at gunpoint.

You wave your trusty barking flashlight menacingly and it starts to bark. The potential assailant, confused by the barking immediately thinks you, the victim has a viscious, highly trained attack dog, which is homing in on him right this moment. He flees into the night and you continue cruising the common, as you do alone in the dark most nights.

A fucking barking flashlight... I ask you.