fingernails shouls not curl under or it just depends on how you would like your nails
because they get the hiccups
Sunlight causes this.
dirt
smoking
a curl up is when you do an exersize to sit up and then back down up.... and down.
a curl up is when you do an exersize to sit up and then back down up.... and down.
When your foot is tickled, the sensory nerves in your skin send signals to your brain that trigger a reflex response in your muscles. This reflex causes your toes to curl either up or down as a protective response to the tickling sensation.
Stink bugs
The deep *vertical* lines in your fingernails are genetic. If you have *horizontal* ridges in your nails, you should see a doctor.
Long, thick hair does not curl well. If it does curl, the weight of the hair pulls down the curl very quickly, within an hour or two.
Because whatever you Are using to heat this up however Causes the peperonis to curl up and get small very easy.