Wrap yarn around hook two times, insert hook into a stitch, yarn over hook and draw a loop through (four loops on hook; Figure 1), yarn over hook and draw it through two loops (Figure 2), yarn over hook and draw it through the next two loops, yarn over hook and draw it through the remaining two loops...
Insert hook into an edge stitch, yarn over hook and draw a loop through stitch, yarn over hook (Figure 1) and draw it through both loops on hook (Figure 2). Fig. 1 Fig. 2
Insert hook into stitch, yarn over hook and draw loop through stitch and loop on hook.
Working from left to right, insert the crochet hook into a knit edge stitch, draw up a loop, bring the yarn over the hook, and draw this loop through the first one. *Insert the hook into the next stitch to the right (figure 1), draw up a loop, bring the yarn over the hook again (figure 2), and draw this...
Yarn over hook, insert hook into a stitch, yarn over hook and draw a loop through (three loops on hook), yarn over hook (Figure 1) and draw it through two loops, yarn over hook and draw it through the remaining two loops (Figure 2). Figure 1 Figure 2
Insert crochet hook into first stitch on needle, as if to knit. Wrap yarn around hook (Figure 1), pull this loop through stitch on needle, and let stitch drop off needle. *Insert hook into next stitch as if to knit, wrap yarn around hook, pull loop through both stitch on needle and first loop on hook...
Make a slipknot on hook. Yarn over hook and draw it through loop of slipknot. Repeat, drawing yarn through the last loop formed.
Make a crochet chain 4 stitches longer than the number of stitches you need to cast on. Pick up and knit stitches through back loops of the crochet chain. Pull out the crochet chain to expose live stitches when you're ready to knit in the opposite direction.