You can scar your fingerprints with a cut, or temporarily lose them through abrasion, acid or certain skin conditions, but fingerprints lost in this way will grow back within a month. As you age, skin on your fingertips becomes less elastic and the ridges get thicker.
Finger prints can change over time if you get a severe burn. Another way your finger prints can change is if you have cuts on your fingers. A burn can permanently disfigure your fingerprint.
The answer would be b grain of the fabric is like grain of the wood. if you look at a plank of wood you see the lines going up and down it same thing really
