Which of the following is/are features of dishpan digit?
Reddened finger
Exceptionally clean thumb
Fibrous rough callus
All of the above
Dishpan digit
Finger of the child who indulges in sucking habit. On examination, it will provide valuable information about the habits. They are:

Reddened.
Exceptionally clean thumb / nail / finger.
Fibrous rough callus.