Help me use my auto-threader! May 02, 2018 16:33 Follow Here are instructions for using your auto-threader. Be aware, it does take practice :) Related articles Getting Started with Your 3201 How do I change my needle? SP3201 bobbin threading How do I thread the upper portion of my machine? Lower Threading - A Step by Step Pictorial Comments 0 comments Please sign in to leave a comment.