I use a password screen lock that repeats some keys (sometimes with caps lock). It leaves smudges around the keys, but you would have to guess what order they a

I use a password screen lock that repeats some keys (sometimes with caps lock). It leaves smudges around the keys, but you would have to guess what order they are in, how many times they were pressed, and whether it was an upper/lower case key or a symbol... Seems pretty good to me. I would still like to have my data encrypted though...