Work to turn point, slip next stitch purlwise to right needle. Bring yarn to front (Figure 1). Slip same stitch back to left needle (Figure 2). Turn work and bring yarn in position for next stitch, wrapping the stitch as you do so. Note: Hide wraps in a knit stitch when right side of piece is worked in a knit stitch. Leave wrap if the purl stitch shows on right side. Hide wraps as follows: Knit stitch: On right side, work to just before wrapped stitch. Insert right needle from front, under the wrap from bottom up, and then into wrapped stitch as usual. Knit them together, making sure new stitch comes out under wrap. Purl stitch: On wrong side, work to just before wrapped stitch. Insert right needle from back, under wrap from bottom up, and put on left needle. Purl them together.
Figure 1 Figure 2