Knit 3 Together – K3 Tog
Putting 3 knit stitches together is called Knit 3 Together. In abbreviations it’s referred to as K3 Tog.
Instead of just using the knit stitch for just one stitch, you insert your needle into three loops at the same time and knit as as normal. This converts 3 stitches into 1 stitch. Thus being Knit 3 Together.
Follow the tutorial below if you need further help.