Tks forward pass (Fwp): Skip first vertical bars, with yarn
in back, *insert hook between next vertical bars under horizontal strands
(Figure 1), yarn over and pull up loop, leave loop on hook; repeat from * to
end, ending with 1 loop on hook; return pass.
Return pass (RetP): Yarn over and draw loop through first
loop on hook, *yarn over and draw through 2 loops on hook: repeat from * across
(Figure 2), ending with 1 loop on hook.