Work an even number of chains, plus 2.
Row 1. (Sc, ch 1, sc) in 3rd ch from hook, *skip next ch, (sc,
ch 1, sc) in next ch, rep from * across to last ch, sc in last ch.
Row 2. Ch 2; turn. *(Sc, ch 1, sc) in first ch-1 space, rep from
* across; sc in turning ch.
Repeat row 2 throughout.