So, I found the video of the finger crocheting and had to give it a go. The benefits of doing a blanket this way are that it works up VERY quickly and it makes a very thick and warm blanket. After I'd finished mine I've decided that it's just not for me, it doesn't look bad, but it's definitely no where near as neat as I'd like it to be. Anyway I'll put some pictures up.
Well, it was a good experiment but I think I'll stick to using a hook from now on!