Tap Code Cipher | Pocket Sized Encryption Device gift for women or browse the rest of

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Tap Code Cipher | Pocket Sized Encryption Device gift for women or browse the rest ofComes with 2 tap code ciphers blocks for sender and receiver. Each block is 3x3x1 4" and fits both the hand and the pocket comfortably. All text is deeply laser engraved and brief instructions are lasered on the back. An encryption worksheet is also included which can be very helpful as you learn the code. The tap code, sometimes called the knock code, is a way to encode text messages on a letter by letter basis in a very simple way. The message is