Lay out many strips of tape side by side so they overlap with the sticky side up. Then do the same thing over top of them with the sticky side down. Now you have a 'bandage' that you can tape over the hammer wounds after 'cleaning' them with WD40.

Stubborn geese that won't fly south for the winter

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these