Chain number indicated in pattern, insert hook in 2nd ch from hook, yo, draw up lp, (insert hook in next ch, yo, draw up lp) across, leaving all lps on hook, do not turn; to work lps off hook, (yo, draw through 2 lps on hook) across, leaving one lp on hook at end of row.
This clip is from Annie's video class, Learn to Tunisian Crochet with instructor Kim Guzman.
Tunisian Foundation Row