A weird sewing machine part that can cause clacking noises

Let's look at this Singer 237 and see why it is making noise and not stitching well. Affiliate link to Sewing Parts Online: https://shareasale.com/r.cfm?b=179687... This is an affiliate link, which means I could earn a commission if you make a purchase through these links, at no extra cost to you. Learn more about me and shop on my website http://www.sewingmachinerepairguy.com Also I'm on facebook   / sewingmachinerepairguy   Check out my Etsy store! https://www.etsy.com/shop/SewingMachR... Some online resources for Sewing Machine Repair https://www.manualslib.com/ https://store.tandtrepair.com/ http://www.ebay.com/ Here are some of the products I use to repair sewing machines. These are affiliate links, they don't cost you any extra. They provide me a small commission if you purchase these products via this link. This helps me continue to provide videos for your enjoyment. As an Amazon Associate I earn from qualifying purchases. DeoxIT Spray Can https://amzn.to/3HWKK5X DeoxIT Liquid https://amzn.to/4lVXsQt Sewing Machine Oil https://amzn.to/422Xvmg 303 Aerospace Protectant https://amzn.to/4oVPLfF Tri-Flow Sewing Machine Oil https://amzn.to/2XWMeSR Tri-Flow Grease (my favorite grease) https://amzn.to/2Y1e28r Bottle brushes https://amzn.to/3gVcohE Nylon brushes https://amzn.to/3gQGenh Wera screwdrivers https://amzn.to/370qpFS Starrett S423Z Steel scale set https://amzn.to/2Xy4pzn Krud kutter https://amzn.to/2Bz7rLf Pliers, Parallel Flat Nose Smooth Jaw https://amzn.to/3gPN4JN Magnetic Tray https://amzn.to/4mOAk7y Scripture quotations are from the ESV® Bible (The Holy Bible, English Standard Version®), copyright © 2001 by Crossway, a publishing ministry of Good News Publishers. Used by permission. All rights reserved. May not copy or download more than 500 consecutive verses of the ESV Bible or more than one half of any book of the ESV Bible.