How to Use Lockdown Mode on iPhone, iPad, and Mac

How to Use Lockdown Mode on iPhone, iPad, and Mac (and Why You Don’t Want To) – By How-To Geek How-To Geek
Lockdown Mode places heavy restrictions on your iPhone, iPad, or Mac in a bid to boost security. But who is it aimed at, how does it work, how do you enable it, and what kind of drawbacks are there?