What you'll need: 1. Old jean jacket 2. Scissors 3. Seam ripper College Fashion / Via collegefashion.net Step 1: Identify the seams of your sleeves. College Fashion / Via collegefashion.net Step 2: Use the seam ripper to start pulling the threads out. Step 3: Use scissors to cut the threads and start to fully separate the sleeve. Step 4: Repeat steps 1-3 on the other side.