### Clue: Fool in face of using fingers (7)
### Answer: DIGITAL 
 ### Explanation: Definition: using fingers
 GIT(slang for a fool, derived from "get" in the sense of "to beget a bastard") ***containing***(in) DIAL(a face eg. of a watch,clock; and also slang for a human face).
Answer:  Using one's fingers,digits.