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I prefer to drill the hole that holds the pin not thru the mold so it doesn't fall thru. I understand you made a device to come up from the bottom and hold all the pins. That is a good remedy. Lots of people drill all the way thru the mold and regret it after the pins start falling on the floor after a little slack develops in the mold. I also would make the tail wgt. hole in the mold .010 to .015 smaller than what you are using for a drill size to drill your tail wgt. hole in the wood, plug. You will get some buildup of sealer, and if you epoxy seal it will be even worse, and then you will have trouble jamming the wgt. into the hole in the plug. Next thing you know it will split the plug. Just much easier making the tail wgt. undersized. The PAM works great and smells a hell of a lot better than hot WD-40. I just have a bunch of pins sitting in PAM . Pour some wgts. and open mold drop on table and then put in other pins and pour again. That way the lead can cool a bit before you pull the pins out and you won't burn your little digits. You don't have to go overboard with PAM just every few pours get them wet. I use a small vise grip to pull the pins and a glove on other hand to hold hot wgt's. That is about it. Have fun and be safe with the fumes. I like to do it outside with a fan blowing on a nice day.
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