CrochetingClub - Extended Stitch Instructions: Extended Single Crochet (esc) - Insert hk into st, yo, pull through, yo, pull through one lp on hk, yo, pull through both lps on hk. Extended
Extended Single Crochet Stitch Tutorial - Simply Hooked by Janet
Extended Single Crochet - How To Make It, And When To Use It
How to Crochet the Extended Half Double Crochet Stitch - ChristaCoDesign
Extended-single crochet vs half-double crochet | forever in fibre