Willow logs
Willow Logs can be obtained by chopping down willow trees, which requires level 30 Woodcutting. They can also be bought from Bob for 40 coins each. Willow Logs can be used for either Fletching or Firemaking. Willow Shortbow (u), Willow Longbow (u) and Willow Stock can be fletched from Willow Logs by using Knife on them.