To begin to change yarn colors, make a little loop hook with your new yarn.
Switch colors knitting. Cross the old tail over the new yarn. Hold the working end of the yarn in your usual way. Essentially you are twisting it around.
When you are done making your color changes or adding your new skein of yarn of the same color, you should do four things. No tying, nothing difficult at all. Give the new tail a good tug to pull down the loop around your knitting needle and create a stitch.
To change the yarn color, tie the new yarn around the old yarn strand. Keeping the tail of the new color in. The museum of london collection boasts a lovely child's mitten that dates to the tudor era.
Grab your second color of yarn, and just like we do when beginning a project on the loom, tie a loose knot ( or make a slip knot) on the side peg. Snip the old yarn off of the skein. You need to change your yarn color.
Place the tail of the new color in between where the two knitting needles cross. To do this, take the yarn in the previous color and place it on the left side. Knitting with 2 colors on the same row or round dates to at least the 1500's.
To add a new color of yarn in the middle of a row, simply drop the yarn you were working with, and begin working with the new color as you would if you were changing colors. How to change color in garter stitch/how to add stripes in garter stitch by clydknits.about : Clydknits is pakistan's first ever professional knitting channe.