Lumpy welds are a bummer...Let's fix it! Learn faster with an online welding course: https://courses.timwelds.com/ Other Helpful Videos: How the Arc Works: https://www.youtube.com/watch?v=Y5vLiBz7oeQ MIG Welding Settings: https://www.youtube.com/watch?v=1pMHayXqoMY Gas Metal Arc Welding (GMAW), also known as Metal Inert Gas (MIG) welding is the best welding process for many different applications. This tutorial provides the solution to a very common MIG welding problem beginners face.