In the image below you can see how the yarn twists.
Change colours knitting. To do this, take the yarn in the previous color and place it on the left side. You can tighten them by pulling the tail, as you knit the next stitches. Pull the new color through the stitch.
Once the yellow is pulled to the side take the white yarn and twist it over top the yellow and knit as you normally would. After knitting an entire row of the new color, you can untangle the knot and weave the tail into the fabric. Hold the previous yarn with your left hand and pick up the yarn with.
• insert the right needle on the first stitch of the left needle that has the previous. This will weave the ends on the. How to change color in garter stitch/how to add stripes in garter stitch by clydknits.about :
How to change colors when knitting in the round • put the stitch marker onto the right needle. Pick up the tail end of the new color in your right hand and lay the yarn between the needle tips. To change the yarn color, tie the new yarn around the old yarn strand.
To change colors, start knitting with the new yarn. Hold the working end of the yarn in your usual way. Give the new tail a good tug to pull down the loop around your knitting needle and create a stitch.
Keeping the tail of the new color in place.