First things first: Sew-in weaves are a process where your natural hair is braided down into cornrows, says Nash, and a needle and thread are then used to sew down hair extensions onto the braids.

We’ve heard of weave techniques like the sew-in, clip-in, quick weave and glue-in, but now there’s a new kid on the block … the braidless sew-in. The braidless sew-in is a new technique that stylists ...