Can you give a brief overview of what hair clip-in extensions are and how they work?

Hair clip-in extensions are a convenient way to add length and volume to your hair temporarily. They are easy to apply and remove, making them a flexible choice for various looks. For a concise explanation of how clip-in extensions work and their benefits, check out this short lecture: https://www.edmchicago.com/the-short-lecture-about-hair-clip-in-extensions/ It provides a clear overview to help you get started.