see Foundation Double-crochet
See Foundation Single Crochet
Chain 3. Yarn over, insert hook in 3rd chain from hook, yarn over and pull up loop (3 loops on hook), yarn over and draw through 1 loop (1 chain made), [yarn over and draw through 2 loops] 2 times (Figure 1)— foundation double crochet. Yarn over, insert hook under 2 loops of chain at bottom of...
Start with a slipknot on hook, chain 2 (Figure 1), insert hook in 2nd chain from hook, pull up loop, yarn over, draw through 1 loop (the “chain,” Figure 2), yarn over and draw through 2 loops (the single crochet), 1 sc with its own ch st (shaded) at the bottom (Figure 3), *insert hook under...
Ch 3, yarn over, insert hook in 3rd chain from hook, yarn over and pull up loop (3 loops on hook), yarn over and draw through 1 loop (1 chain made), yarn over and draw through all loops on hook—1 foundation half double crochet. *Yarn over, insert hook under the 2 loops of the “chain”...