If the gun hasn't been opened enough to cock the hammers, then the hammers are holding the firing pins forward, right? So trying to push them back in against the hammer springs isn't going to work, correct?
At least now you know to put snap caps in any double before you dry fire it...
Mindset - Skillset - Toolset. In that order!
Attitude and skill will get you through times of no gear, better than gear will get you through times of no attitude and no skill.