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Ok. I have this can of Castin’ Craft brand polyester resin that is brand new. I unscrewed the top and was confronted with a second metal barrier:

enter image description here

I’ve tried:

  • Prying it with a screwdriver.
  • Grabbing the edge and unscrewing.
  • Putting pressure from the inside and unscrewing.
  • Stabbing it.
  • Focusing my chakra, prana, and kundalini energy to visualize and create a portal through which I can pour out the contents.
  • Yelling at it.

Before I just take a step bit to the top of this can, does anybody who’s used this resin know how to open this?

I know this might be a silly question but I’ve never had so much trouble opening a can before, and believe me I’ve opened a lot of cans.

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Prying with a narrow screwdriver is a good start. It appears in the photo that you have a bit of a start at the near edge of the top.

This particular seal is a throw-away and you can indeed stab it. Something stronger than a pointed stick should do well enough. A small blade philips screwdriver tapped in then bent outward will distort the top sufficiently to pop it free.

Be not afraid, plunge onward!

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    Success! I couldn’t tell if it was discardable. I hammered a screw into it (🤷‍♂️) and pried it right out. Thanks, your mastery of cans is impressive indeed.
    – Jason C
    Oct 25, 2018 at 19:04

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