This is a trimmed chestnut. They grow a material similar to a nail or horse hoof - ergots are similar, but in a different location. When they get big you just peel or clip it off. They can smell a bit strong when you trim them, but hooves smell worse when the farrier comes out!
Time Suck with Dan Cummins
Join the Cult of the Curious and learn about a variety of topics including : cults, historic figures, serial killers and more. Some recent sucks have covered Alexander Hamilton, The Kidwelly Sex Cult, The Taiping Rebellion, The Gainesville Ripper, Elvis Presley, and The Dark Truth about Pornhub.
Hail Nimrod, good boy Bojangles!