I use a lot of leather in my shop <snickers>. Every tool or vise that holds wood in place has leather lining the surfaces to protect the wood. Leather also adds more friction to hold things in place without a ton of clamping force. Dogs, holdfasts, vise jaws and stops all have a layer of protection.
So perhaps you should add some leather to your shop and if your plane is sharp enough, you can make some beautiful end-grain leather shavings.
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