In this DROPS video we show how to work double band with buttholes. Pick up stitches along right front piece, with a long yarn end to pick up stitches with.
Button Band Finishes Machine Knitting Tutorial
KNIT BAND
Techniques and Tutorials
Simple Way to Make Vertical Buttonholes Without Breaking the Yarn - 10 rows a day
How to make a buttonhole in knitting - Gathered
The Knitting Pattern Designer's Guide to Buttonholes
How to Knit One-row Buttonholes in 2x2 Ribbing [TUTORIAL] :: talvi knits.
KNIT BAND
Tutorials
How to work a double knitted band with buttonholes