Can pullovers be changed into cardigans?

The method is as follows:

Blue is where scissors are put. Insert crochet needles in the pink places on the left and right sides respectively, and hook the blue parts.

The specific steps are as follows:

1. Stitch as shown in the figure below.

2. Hook the edge along the seam.

3. According to the seam cutting

Extended data:

Sweater

Pullovers are often called hoodies, which can be associated with fashion and avant-garde in any season. Gentle knitted fabrics bring warm affection. No matter what kind of pullover, this season is your first choice, and it is particularly warm in winter and easy to carry.

Best for sports. Loose cotton fabric, comfortable to wear on the body, coupled with the cap-less design, is more suitable for any sport. Put on a relaxed and simple pullover.

Reference: Baidu Encyclopedia-Handmade Sweaters