Materials
Any yarn (I used small amount of polyester cord 2.5 mm
Tools
Hook suitable for your yarn (I used 3 mm)
Scissors
Lighter
Stitch marker
Techniques
Singlе crochet (sc)
Half double crochet (hdc)

Gauge: 9 stitches and 19 rows = 4 inches

The size of finished case depends on the yarn and hook size. My case height is 14 cm (5.5 in), length - 7 cm (2.7 in)