What type of mold? Aluminum, steel, brass?
First, I don't smoke ANY of my molds. It reduces the diameter a bit, and a well made mold that's free from burrs will release boolits without smoking or using mold release.
Inspect your mold halves after it cools, look for a burr on the edges where it mates with the other half. CAREFULLY remove any burrs. They can hold onto a boolit with a death grip.
The more people I meet, the more I love my dog
They're going to get their butts kicked over there this election. How come people can't spell and use words correctly?