Ideally, handling of paws and nail care should be started with the kitten is young. At this age, training will be easy if one remembers to be gentle and patient.
The scratching post is an important piece of cat equipment. Kitty uses the post to scratch and sharpen the nails, but the act of scratching also helps remove dead pieces of toenails (sheath). This is how the wild cat cares for his own nails.