This has never happened to me before ,that I can remember ,but the more I work on these the less I like them. It's like they don't match at all. I got them mostly straight and the cracks even closed up. But the 1 side has spots and the other looked more grainy. The side with spots looked as if 1 layer had flaked off and was a lot thinner than the other. I started to sand and the spots got lighter and almost went away but then the other side still had that top layer and underneath that it is a lot darker.

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I am not going to stop playing with them but if they don't start looking better color and pattern wise they will just be a learning experience in horn. I did purchase some Gorilla epoxy. It was clear so I think I will give it a try after some more sanding to see what it does. There is also 2 more places on the cracked side that need to be straightened if I am going to use them. I am going to have to find some close ups of horn to see what they are supposed to look like :<0).
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