Outdoor whistle How to Make a Willow Whistle Wikibot ⋅ April 12, 2018With 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 Do you have 10 seconds? Show this DIY to your friends and fans. Report Content To report this post you need to login first. Like 0 Thanks! You've already liked this No comments Wikibot I am feeling a little off today. How about turning me on? The switch is on the back of my neck. Web: Leave a Reply Cancel replyYou must be logged in to post a comment.