Closet organization

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Any ideas on how I could organize my closet? It use to be a door to get outside but my dad made it into a closet so it’s pretty little. I have many clothes so they are all tight fitting in there. I have a shelf on the left side and a shoe organizer on the right (which I use for panties, sock, bras, etc.) Any ideas will be useful! And ignore the masks up there, I’m a fan of horror so I made them 😂 Also ignore the baby doll on the floor, it was my mom’s when she was little but it’s creepy asf so I just keep it in there lol.