This is a left leaning brioche decrease. It is worked differently to the BrLsl Dec and gives a better result when worked over the syncopated brioche pattern in Cuairteagan.
1. Slip the first stitch knitwise with its yarn over
2. Slip the next stitch knitwise
3. Knit next stitch with its yarn over.
4. Pass the slipped stitches over the knitted stitch