### Clue: See 6 26 Children are not expelled – initially this is used (4)
### Answer: CANE 
 ### Explanation: Definition: this is used
 **First letters respectively of**(initially) "Children are not expelled ". Answer: The "this" in the definition. What was used (in time past) on children before the next step of expulsion, if caning didn't work. A nice WIWD (wordplay intertwined with definition) clue.