Half double crochet two together (hdc2tog)

Here we explain how to crochet two double crochets at once using video and still images.
The cover of the video shows the knitting symbol (stitch symbol) for "two double crochet stitches at once."
This knitting technique is a way of decreasing double stitches and is sometimes used for pattern knitting.
This is a knitting method that can be used in a variety of ways, such as reducing the number of stitches at once by three stitches at once, or by four stitches at once to balance the pattern.

Video explanation

Photo Tutorial