This is just a way to bend 1 letter, you can combine with many other techniques to create a finished product You can choose any typeface you want, and curl to the writing stroke or according to ...

That down up movement makes the zig-zag. ‘W’ is the same, only with more diagonals. Down, up, down, up. When you're writing your zig-zag letters, just remember to keep your lines straight.