The warmers are worked in a rectangle that is sewed up at the side once finished.

Supplies:
sport yarn and 1.9mm hook
sewing /tapestry needle
Stitches: chain (ch), chain space (ch-space), slip stitch (sl st), single crochet (sc), double crochet (dc), puff stitch, picot. American terminology used.
Measurements of finished warmers rectangle: 16.5 cm in width and 14.5 cm in length.