I typically tan my own deer capes in house using pro-1 products, but I got a wet tanned cape from another taxidermist and it was covered in saw dust. I usually wash/rinse my capes prior to mounting, but when I did it to this one, it got extremely rubbery. What is this and what can I do to get the stretchy and limp tanned cape back instead of this thick rubbery thing? I have heard of acid swell but have not encountered it, is this what it is? If so, should I try neutralizing it again? Its a pretty cape and don't want to lose it. So far everything seems ok, just rubbery. Thanks in advance for the help!