Video Tutorial

Sole

Round 5: 8 half double crochet, 24 single crochet, 20 half double crochet
Change colour

Round 1: Back loops only, 1 half double crochet, 1 decrease (half double crochet), 6 half double crochet, 22 single crochet, 6 half double crochet, 1 decrease (half double crochet), 1 half double crochet, 6 decreases (half double crochet)
Round 2: 2 half double crochet, 1 decrease (half double crochet), 30 half double crochet, 1 decrease (half double crochet), 2 half double crochet, 3 decreases (half double crochet)
Round 3: 2 decreases (double crochet), 2 decreases (half double crochet), 22 half double crochet, 2 decreases (half double crochet), 1 decrease (double crochet), 1 treble decrease (varetasdouble crochet)
Rounds 4-6: 1 half double crochet around

Make a slip stitch around the row 6 with the sole colour

Cord: Chain 40