Worlds most useless inventions

[ENDragoon]

Basically this topic is for the things you come up with that are absolutley useless for example here are mine:

NON STICK GLUE

and

A BOOK ON HOW TO READ

[jkid101094]

The ENCLOSED INSTRUCTION BOOKLET on how to get the ENCLOSED INSTRUCTION BOOKLET on how to get the ENCLOSED INSTRUCTION BOOKLET. :3

[hyper]

A black white board

[RainbowBeautyRocks]

A piece of candy telling u how to get a piece of candy

[ENDragoon]

a danger warning at the bottom of a speedrun

[hyper]

a danger warning at the bottom of a speedrun

it would be a danger warning telling you about a danger warning

[Light the Hedgehog]

a cell phone telling you how to get a cell phone

[Skyle369]

HD Glasses


And its freaking real...

[Light the Hedgehog]

A sonic game with 10129374132130847125612837470923864912380475361 tutorial levels, and 2 actual levels.

[flametop]

a cheese sandwitch

[darkness shadow]

a website tutorial on how to use the internet

[Kirby]

An email account telling you to get an email account.

[Gleech]

DEFINITION OF USELESS:
A UNICYCLE WITH A FLAT TIRE!

...YOU'RE GOING NOWHERE, ALRIGHT?

(Dont get it? Skip to 2:22 - 2:30)
http://www.youtube.com/watch?v=RDhmgg2MUU0&feature=related

[darkness shadow]

safety matches that dun light, you can;t get much safer than that!