Master the one-row buttonhole with this scarf.
Gauge is not critical.

For a video on this technique: http://www.knittinghelp.com/video/play/buttonhole

Cascade Kid Seta has lots of yardage so only 1 ball is needed. Other lace weight mohair blends can be used but you may need 2 balls.

This pattern is also available on the Nine Rubies iPad App.

For more information, see: https://itunes.apple.com/us/app/nine-rubies-knitting