One such visual trick that's been hidden with wavy lines may look like a simple pattern, but there’s more to it than meets the eye. The big question is: Can you read the hidden message?

We know because sometimes, the pattern becomes ... the line are wavy. There are several skin conditions that can cause lesions and pigmentation that follow Blaschko lines along the body.

Make two thick lines, then skip an inch and make a very thin line. Skip another inch and repeat this pattern. Hermione's hair is on the wild side as a child, her puffed wavy and sometimes crinkly ...