How to open a door with a piece of paper

Haha, it feels a bit instigating.

That's what it says to open the door with paper, but it's very difficult.

The strength and toughness of business cards or cardboard are not enough. They can only deal with those old-fashioned doors and old-fashioned locks, which are far less effective than the first-generation ID cards.

In fact, Mr. Liang’s favorite tool is very simple, which is a long strip made of common large empty bottles of Sprite and Coke. It is long enough, elastic enough, and strong enough. As long as the door There is a large enough door gap and no anti-lock, so there is basically no problem with ordinary deadbolts.