Crochet Cute Hearts Stitch / Easy Tutorial - YouTube
In this video she does a 'long dc'. I just looked it up and the long dc is different than how she does it. On google, the long dc is putting your hook one or more rows below. On this video she has 3 loops on the hook and pulls the yarn through 1 loop and then pulls the yarn through 2 loops and then through 2 loops again. She calls this the long dc.