What you can do with Two old AA batteries 1.5 v ???

Hello,today my new DIY homemade video!
2 AA Batteries ??? What you can do with Two old AA batteries 1.5 v
https://www.youtube.com/watch?v=7nhU5mjtqxI

I thought he was going to use the carbon cores from the batteries as spot welder electrodes.

Thanks Mr.DK DIY! We've added your Soldering Iron to our Electrical category,
as well as to your builder page: Mr.DK DIY's Homemade Tools. Your receipt:

<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="https://www.homemadetools.net/homemade-soldering-iron-8"> <img src="/uploads/232989/homemade-soldering-iron-8.png"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="https://www.homemadetools.net/homemade-soldering-iron-8">Soldering Iron</a> <span> by <a href="https://www.homemadetools.net/builder/Mr.DK+DIY">Mr.DK DIY</a></span> </div> <div class="tags">tags: <a href='https://www.homemadetools.net/tag/soldering'>soldering</a>, <a href='https://www.homemadetools.net/tag/hand-tools'>hand tools</a> </div> </div> </div> </div>