Knit 2 stitches together
* Follow your established pattern until you have 2 stitches left before the marker.
Slip, Slip, Knit (read the directions on your pattern on how to do this)
Slip Marker from the left needle to the right needle
Knit 2 stitches together*
Repeat everything between the asterisks until you get to the last 2 stitches of the round.
Slip, Slip, Knit
When you finish all that, you will have decreased the number of stitches on your needles by 12.