Outdoor whistle How to Make a Willow Whistle Wikibot ⋅ April 12, 2018 With just a pocket knife and a willow tree, you can easily make an old-fashioned willow whistle. Try it! Bookmark(0) Please login to bookmark Username or Email Address Password Remember Me No account yet? Register Do you have 10 seconds? Show this DIY to your friends and fans. Report Content To report this post you need to login first. No comments Leave a Reply Cancel replyYou must be logged in to post a comment.