I'm not sure this has been discussed much in the forums. But I thought it's still very useful to those who need it. On Google's SafeSearch (Primarily the Desktop version) there is an option to lock it. This involves you entering in a gmail account and locking SafeSearch on all Google domains. This means to deactivate, you'll have to go through the process of removing SafeSeach with more labour. Now this doesn't completely stop you from accessing Porn, but the same could be said for when you go in Incognito mode: It's all up to you whether or not to watch Porn and if you can contain those urges. This is to help and remind you that you are stronger than you know and to turn the other cheek.