Walking Foot #50 and the Dual Feed function of some BERNINA models have similar functions, but the way they accomplish their goals is different.
Quilting Tips with the Walking Foot #50 - WeAllSew
Stitch in the Ditch with BERNINA Walking foot #50 - WeAllSew
Tips for Sewing Slippery Fabrics and Knits with Dual Feed or the Walking Foot #50 - WeAllSew
Difference Between Walking Foot and Dual Feed - WeAllSew
Difference Between Walking Foot and Dual Feed - WeAllSew
Why I love my bernette - dual feed - WeAllSew
Quilting with the Walking Foot - WeAllSew
Dual feed vs walking foot? : r/quilting
Difference Between Walking Foot and Dual Feed - WeAllSew
Quilting with the Walking Foot - WeAllSew
How to Sew a Perfect Seam - WeAllSew
Blue Susan Makes: What is a Walking Foot?
Walking Foot #50 - Edgestitch Sole - WeAllSew
Presser Feet Tips & Tricks - WeAllSew