Pattern is Japanese but charted using standard crochet symbols. Direct link to pattern PDF here.

Materials:

• Japanese size 5/0 crochet hook (3.0mm)
• approx. 75g (180m) color A
• scraps of color B
• leather strap (1.5cm by 40cm)

Gauge is listed as follows:
* in net stitch, 5 pattern repeats and 14.5 rows in 10x10cm