Klein Bottle Postage
Klein bottle enthusiast Cliff Stoll shows us his unique system for sending bottles to customers.
Cliff's online store: https://www.kleinbottle.com
More videos on our Klein Bottle playlist: http://bit.ly/KleinBottles
Cliff Stoll playlist: http://bit.ly/Cliff_Videos
Podcast with Cliff: https://youtu.be/lxdcBD4ppF0
