You gave the following link " http://www.skritter.com/faq#remix_list" to help us use remix as a work around to study individual sections, but the link doesn’t take us anywhere, it says " The page you’re looking for seems to be missing."
Please help
It looks like that’s an older link from before the URL change on the legacy website. Here’s another link which should work! https://legacy.skritter.com/faq#remix_list