What's the go with these things? Do they block mobile data, or can they hurt people (permanently)? Does anyone know what they do?
[For reference, apparently it was seen on this livestream but I can't be bothered going through it to find it haha
https://m.facebook.com/Chriscoveries/videos/269204701968988/?extid=CL-UNK-UNK-UNK-AN_GK0T-GK1C&ref=sharing]
