The Cube

Big, committing, and there are actual moves at the 15 foot mark. Bring your big gestational organs.

The big clean, western face of the boulder.

I think the safest way to do this would be to bring a friend(s) and 2-3 pads. I did not have this, but it should be possile to somewhat protect the high crux, at least from serious injury. The best thing would be to up and down climb until you've got it sorted, and then commit.