The detail of the bootie, which is started in a square shape with purl knitting and knitted without increasing or decreasing the stitches, and after the end, as shown in the video, is the detail of the boot, which is sewn from the heel and front upper part, is actually decorated with crochet and sewing

After sewing, crochet it as it appears or make a floral motif and sew it extra.

Preference, beautify the shoes as you wish. If the aim is just to warm the feet, that's it.