Alternating spike stitch in crochet cotton thread.

Alternating Spike Stitch
Multiple of 4 sts
(add 1 for base chain)

Ssc (Spike single crochet) = insert hook below next st 1 row down (i.e. into same place as that st was worked), yo, draw loop through and up to height of present row; yo, draw through both loops on hook.

1st Row: Skip 2 ch (count as 1 sc), 1 sc into next and each ch to end, turn.
2nd Row: 1 ch (counts as 1 sc), skip 1 st, *1 sc into next st, 1 Ssc over next st; rep from * ending 1 sc into tch, turn.
Rep 2nd row.