get your parents to cut your toenails for you, if you are bad at cutting them.
fungi and dirt
Too small shoes.
You need to visit a physician to have lines on your toenails checked. This could be a sign of serious conditions that only a doctor can diagnose.
The hub bearing can go bad and create noise.
get your parents to cut your toenails for you, if you are bad at cutting them.
Thermocycling.
There can be a few reasons for a catalytic converter to go bad. One of the causes could be clogs. Other reasons include plugs not working right, and bad exhaust valves.
They get soggy in damp weather.
if you don't take care of your finger and toenails they can grow in and get infected, if that happens you have to go to the doctor.
A bad transmission.
It depends on if they are really bad or not. If they aren't that bad, then you can got to a foot specialist, or doctor, and they will give you a liteacane shot, and they will dig it out.