​Crochet Spike Pattern

The quantity of sts is multiple 4 + 2 + 2 chain sts increase.

1st row: skip 3ch (count as 1dc), *1dc into each of next 3ch, skip next ch and work 1Sdc over it instead; rep from * ending 1dc into last ch, turn;

2nd row: 3ch (count as 1dc), skip 1 st, *1dc into each of next 3sts, skip next st and work 1Sdc over it instead; rep from * ending 1dc into top of tch, turn.

Repeat the 2nd row.