HowTo: Install a new Ryobi Bump Feed Trimmer Head - YouTube
Ryobi Homelite 0.095 in. String Trimmer Head for Gas Trimmer Curved or Straight - Walmart.com
HELP!, please. How do I remove the head on my Weed trimmer? Expand-it series. Curved shaft. Got this far. Can not find any hole or anything to stop it from spinning. :