Learn how to cast on underarm stitches for top-down sweaters and cardigans using the winding provisional cast-on method. This approach has the benefit of creating smooth and seamless underarms, works in any stitch pattern, and doesn’t result in added bulk at the underarm join. Plus a bonus tip for avoiding those pesky underarm holes!

Step-by-step photo tutorial for the invisible cast-on, a type of closed cast-on that can be used on toe-up socks, for example.