In this post, I’ll show you how to clean, oil, troubleshoot, repair, and use a vintage Simplicity Easy Lock Serger SL800. I’ve seen vintage sergers in other people’s collections, and I always felt a little jealous, but I had never come across one until recently, and then I found two in a row! While I have a modern serger, many people swear by vintage sergers, which were built to last, with all metal parts, as opposed to the plastic used in and on most modern sergers. I paid $5 for this one, which is much cheaper than the hundreds you’ll pay for a brand new serger.