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1. Clean the back of your smartphone (iPhone®, Android®, Windows® or Blackberry®. Almost any one will do. |
2. Peel off the backing of the CardNinja. |
3. Stick the CardNinja onto the back of your phone or phone case. Just like a sticker. |
4. Insert whatever credit cards, debit cards, licenses, IDs, or cash that you need. |
5. Boom. You're done. |
Flip it over.Nothing falls out. |
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Lose your phone & CardNinja?
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