### Clue: Cover skin of backside with trousers, back to front (7)
### Answer: BESTREW 
 ### Explanation: Definition: Cover
 **The 1st and last letters of**(skin of) "backside" **plus**(with) "trews"(men's clothing for the legs and lower abdomen, a traditional form of tartan trousers) **with its last letter moved to the beginning**(back to front).