Threw away? You need a bullet puller!
THIS
These work well. And they work best against a concrete floor. (3 solid strikes on concrete vs 10 on my bench to get them loose)
Lyman Magnum Inertia Bullet Puller : Cabela's
Though if I screwed up more I'd get one of these for my press (just add collets)
Hornady® Cam-Lock Bullet Puller : Cabela's