Garter Mosaic basics
In garter mosaic knitting you will only either knit a stitch, or slip a stitch purl-wise with the yarn always to the back of the work. So, if you're working a RS row you will slip the stitch wyib. When working a WS row you will slip the stitch wyif.
How to knit Mosaic in Garter stitch
1Garter Mosaic Knitting