Are you serious? I would kill the rotten SOB that showed pot ography to my kids.
I’m talking about just sex that people in love would have. Not violent or exploitative “pornography”.
Where does this mentality of hiding sex come from? It’s as natural, peaceful and integral to life as eating or sleeping.
If we are putting people in jail for showing things to kids, it should be illegal to show images that glorify industrial warfare, waste and greed. These are the things truly killing humanity, not making love.
I don't know how old your kids are, but trust me -- if they are over 11, they likely have already seen more serious pornography on the Internet than you can imagine.
You really can't stop it. All you can do is help them handle it.
Most 13 year old girls have already seen more penises online than their moms have.