Expanding packaging foam.
<video controls autoplay loop>
<source src="https://s3-us-west-1.amazonaws.com/hmt-forum/expanding_packing_foam.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
Previously:
https://www.homemadetools.net/forum/...285#post126806
https://www.homemadetools.net/forum/...277#post138673
https://www.homemadetools.net/forum/...324#post135140
https://www.homemadetools.net/forum/...529#post132242