Zigzag machine questions. This is my first posting, so please bear with me if I fumble something here. This site is kinda challenging to navigate easily. What are some of the "common", heavy duty, trouble free machines out there. I'm sewing leather patches/handles/embellishments,reinforcements ect onto 30oz Cotton canvas. Not unlike Klein tool pouches, for reference. Walking foot for its positive feeding abilities is probably what I need. V-138 thread is my happy place. A counterpart to my CB3200. Thanks !