I think you're overstating what the saftey glass does. I does not prevent the glass from breaking. All it does is prevent the broken glass from being scattering all over the place. So Objects, most certainly, can pass through the safety glass, it just won't cause the broken glass from falling all over you.
There is no correlation to the clamping or not of the cord. Both of my kids were born at home with a Midwife who did not clamp the cord until it stopped pulsing. Neither kid had any sign of jaundice.
Legal Lock does nothing but prevent changes to the domain name. It doesn't disable the domain in any way. In other words, you can't change the domains name servers, you can't add or remove services on the domain, can't renew the domain, the domain cannot be deleted. It's essentially static. However, it does nothing with the content of the domain.
"When the only tool you have is a hammer, you tend to treat everything as if it were a nail." -- Abraham Maslow