A Protective Credit Card Cover
RFID cards are super convenient, but you do not want to make accidental and unwanted payments!

A Protective Credit Card Cover
How can you protect it against this? Make a pouch with some tin foil and keep it there at all times.
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Getting the Light Right
If you are an amateur photographer, we doubt you have access to high-quality flashes and reflectors.

Getting The Light Right
You can make your own light reflector by wrapping cardboard in foil. Ambient light is not a problem!