Preserving amputated appendage?

Recently, my boyfriend lost one of his fingers in an accident. Thankfully, he sees the humor in it and the hospital even let him keep it. I was wondering if and where we could buy embalming fluid that will preserve it indefinitely. It's gross but we both really like the idea. Besides, what else are we supposed... show more Recently, my boyfriend lost one of his fingers in an accident. Thankfully, he sees the humor in it and the hospital even let him keep it. I was wondering if and where we could buy embalming fluid that will preserve it indefinitely. It's gross but we both really like the idea. Besides, what else are we supposed to do with an amputated finger? Thank you for any help
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