Josh Tomsha finishes his handmade wooden pens in black, copper, gun metal, gold or chrome. The wood comes from bats actually used in Major League Baseball games.

Orange fur on the bats’ backs contrasts with black sections of wing membranes. But that’s not what sets this bat apart: Three other Myotis species from the continent are similarly flashy.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Baseball teams participating in the National Classic next week in ...