Must have been a real headache.

The Criterion Collection, or old faithful, recently shared this awesome video that explains how the iconic head explosion scene in David Cronenberg’s Scanners was accomplished. This was a time when movies still only had practical effects at their disposal, as CGI really only took off almost a decade later. If you haven’t seen the film Scanners, chances are you may know this infamous scene, which as it turns out was quite difficult to execute.

Check out the video below – 

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