Prevent scratches... LMAO, no

[Curt941]

Originally Posted by Generation

Is he using a spray-on adhesive right before the 3-minute mark? I'd be more concerned with getting that stuff all over the watch. It looks like he's just spraying it on willy-nilly.

No, it looks like he's just using water or something like that.

If you've ever installed a screen protector on a phone or tablet, you usually spray something like Windex or another inert fluid that will aid in keeping bubbles from forming.

With that said, this is a stupid idea.