Rapido Heatbreak

I'm not stupid right? The filament doesn't melt until it gets to the heating element. So what's in the middle of this heat break that's keeping the filament from passing through the heatbreak before it even gets to the tube for the heating element? It's not like it's supposed to be melted at that point, so It should pass fine right? It's hard to get a pic, but looking down the heatbreak you can see the small ring where the filament can't pass. You can kinda see the tiny bits of filament where it's getting stuck too. This printer has been running fine (not great) and then had bad under extrusion one day. I thought I jacked a setting in SuperSlicer so set it aside until I had time to fiddle with it.
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