### Clue: One used to torture general's army (10)
### Answer: THUMBSCREW 
 ### Explanation: Definition: One used to torture
  THUMB(I think, *General* Tom Thumb, the stage name of a dwarf who was an act in P.T. Barum's circus)*'S* + CREW(a group of armed men,*army*).
Defn:  Crude instrument where your thumbs (fingers as well?) are inserted and subjected to extreme pressure.