*THIS IS A WARNING* The pet feeder at 3:54 can cut your animals, and hurt them in places that are hard to heal, like the insides of their mouths and their gums.
The author is making suggestions as to what you can do. S/he/they are not responsible for any injuries incurred if you don't know what you're doing. I am not related to and am not the videographer. For me, this is entertaining and provides some suggestions as to what COULD be done with plastic bottle caps. You could find something else to do with them. Where I live, they aren't recyclable. If you don't figure out something to do with them, they are trash for landfills.
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