Trick with plate, water and ground pepper
With this trick you can easily surprise your friends. All you need to do is take a full plate of water, add black pepper into it, and then dip your finger in it.
When you simply dip your finger into a bowl of black pepper, nothing happens. But if you dip your finger in dishwashing detergent and then dip it into a plate, exactly what you saw in the video will happen.
