Tacking Long Floats
When working a stranded pattern, you never want to carry the non-working yarn across the back of the work for more than about 5 stitches, or whatever constitutes about a inch at your gauge. Some patterns, such as the Ajiro Scarf, require that the non-working yarn is carried farther—7 stitches in this case (see chart above right).
To help shorten the floats while maintaining good tension, “tack” these long floats to the wrong side of the work….
There’s lots more in this book, patterns, tips and techniques, pretty pictures….