Most glue doesn't stick to the inside of the bottle because it needs air in order to set. If you leave the cap off of the bottle or as the bottle gets closer to empty, so that more air is inside bottle, the glue will get stickier.
YOU ARE READING
Wtf? Facts
RandomI don't think you are going to need these facts to get smarter in life, but you can at least use them against some people.
