"Most useless inventions" joke

Useless Inventions

Non stick Cellotape

Solar Powered Flash Light

A black highlighter pen

Glow in the dark sunglasses

Inflatable Anchor

Smooth Sandpaper

Waterproof sponge

Waterproof Teabags

AC adapter for Solar powered calculators

Fireproof Matches

Fireproof Cigarettes

Battery powered Battery Charger

Seatbelts for Motorbikes

Hand powered Chainsaw

Inflatable Dartboard

Silent Alarm Clock

A Pedal powered wheelchair

Braille Drivers Manual

Double sided playing cards

Ejector seats for Helicopters