[:D][:D] - insiktfullt IMO!
På temat fina uppfinningar som verkar trovärdiga:

"Allparts Tuning Spray
Guaranteed to make whatever you spray it on sound, look, and smell different.
Instantly tune your guitar, bass, or any sound-making device with just a couple sprays. Bring 21st century technology to your priceless Vintage guitar! Do away with cumbersome tools that can scratch and damage your gear. Allparts Tuning Spray goes on quickly, won't wash off underwater, and is safe around cats. Before you play it, spray it!
Ideal for use on:
- Guitars
- Basses
- Amps
- Pipe Organs
- Speakers
- Exhaust Pipes
- Headphones / Earbuds
- Drums
- Bagpipes
- Bird Calls
Directions:
- Test on an inconspicuous area, like the hood of your neighbor’s family minivan.
- Apply to entire instrument including backside. This prevents your body from interfering with intonation.
Storage:
- Store with cap off, facing instrument, so tuning can take place while you are away, working or sleeping.
WARNING:
Will probably combust upon coming in contact with cardboard or fruit, but it’s safe to use around your cat, so that sort of balances things out in the end. "
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"You´ve got your radio turned down too low - TURN IT UP !!!!" - Elias McDaniel