Related Clues:

• Twist out of shape
• Protruding knot on a tree
• Twist into a knot
• Growl
• Tree trunk knot
• Make all twisty
• Make twisty
• Knot on a tree
• Twist out of proportion
• Attack dog's sound
• Log feature
• Tree feature
• Lumber feature
• Knot in wood
• Tree-trunk imperfection