With a penknife!

Has Santa been good to you? You got a blade? Great! You are going to be able to do so many things with it, not only the things you always do with a knife or a pocket knife, but much more that you ever imagined! Like a whistle, did you know you could carve a whistle? So get that book, 50 Things to do with a Penknife! Watch out not to cut yourself, and have fun!

The kind of knife you have: 

And here’s a whistle!