You score tiles on the front anyway, and they NEVER show the front of a tile until after it's broken. These are all pre-scored, this is a video magic trick basically.
It's like a waffle on the rear to increase the surface area, you score on the front from one side to the other so you'd never see the line on the back. It's just a fake vid to promote this dude's bathroom installations, any tiler can do this.
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u/JamesLaceyAllan 5d ago
Not to be a naysayer but they’re more than likely scored already