Making a triple-neck flask - GIF

Making a triple-neck flask.

<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/making_triple_neck_flask.mp4" type="video/mp4"> Your browser does not support the video tag. </video>


Previously:

https://www.homemadetools.net/forum/...028#post153242
https://www.homemadetools.net/forum/...779#post194112
https://www.homemadetools.net/forum/...364#post188884
https://www.homemadetools.net/forum/...165#post184563
https://www.homemadetools.net/forum/...340#post222228

I sure like that torch. Why is he hold a tube in his mouth?

Quote:

---

Originally Posted by Ralphxyz

I sure like that torch. Why is he hold a tube in his mouth?

---

He uses the tube to blow through expanding the flask while heating it