If you look at the violin pictured here, inside the F-Hole you might notice something that slightly resembles a tiny ear of corn.
Thankfully it's not corn in there, but many players might prefer corn to this alternative.
Any guesses as to what IS in there?
Does it sound like you've broken your vibrato? Does your bow stroke feel like you're driving down the rumble strip on the highway when playing certain notes? You may have found a wolf tone! Here we discuss what a wolf tone is and how they are suppressed.