I use Vaseline inside my four pin roll crimper. I’ve tried doing it with a power drill and holding a shell in my other hand. After about a five minute try or so with each one and getting it to crimp I’ll pass. My hands are cramped up and in pain and felt like they went through a war! Best nine bucks ever spent I just gotta slow my drill down. Takes all the couple seconds to do a crimp with the press. At the higher RPMs they just get hot too quick and the crimp will melt. Slowed down a little will get them perfect.
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