Pick up stitch by putting the tip of right needle under the purl bump (on RS), wrapping or picking the yarn as if to knit and bringing the loop through to the RS.
Pattern Specific Variations for Picking Up Stitches in Fabric
Sometimes, I include technique variations that are for specific patterns. I always include directions for specific techniques in the pattern itself, so be sure to also read any patterns you’re working on closely.
PU Purl Bumps Variation for Limestone
From the right side, use the tip of the needle to put the purl bump of 3 stitches onto a dpn or other needle. This method does not join new yarn.