How To
When breaking in a new metal file, use it with only a little pressure at fi
When breaking in a new metal file, use it with only a little pressure at first, until the needlelike teeth are worn down. Then you can apply more pressure without danger of breaking the teeth.
When breaking in a new metal file, use it with only a little pressure at first, until the needlelike teeth are worn down. Then you can apply more pressure without danger of breaking the teeth.
