This is a movie about hands that are found that have been cut off. The hands are different sizes because the girl the hands are for is growing and she needs to have bigger hands as she grows.
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Katie, I am going to take a shot in the dark because your description gives us very little to go on. There was a movie in which Ally Walker played a detective who was plagued with trying to find a serial killer who would cut off the hands of children (girls). The bodies would turn up every year with the hands cut off. If I remember correctly, the ages of the dead children would increase by one year each year they found a body. Since you seem to know the ending of the film I don't think I will be spoiling it for you but the gruesome discoveries are linked to a young girl who lost her hands in an accident at a very young age. I hope I have the right film, here is a link:When the Bough Breaks (1993)

What a nasty movie! I think I'll have nightmares now :( Scary...

I've become such a wuss.

LOL templelane! It actually isn't anywhere near as bloody and gruesome as some of these horror movies in the past few years. This movie is more of a suspense thriller.