Please note that this video is in Vietnamese, but the instructions to make the gimmick, and how to use it is perfectly understandable from the visual information alone.
Change a bill into a card. Easy gimmick. Easy to perform.
Obviously you need to use paper money that is compatible with the width of the cards you are using. Often bills can be trimmed slightly if they are too wide.
1st edition 2018, length 7 min 32 s