For a budding origami enthusiast, it's important to get through all the basic folds and techniques before attempting any complex or creative folds. So if you're just an entrant in the world of origami, then you must know about the inside and outside reverse fold which is just a basic yet an important folding technique.
Scroll through the steps given in this link to learn this inside and outside reverse fold that could help shape your expertise in origami.
http://www.origami-instructions.com/origami-inside-and-outside-reverse-folds.html
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