### Clue: What keeps laciest pants up? (7)
### Answer: ELASTIC 
 ### Explanation: An &lit.  Anagram(*?*) of LACIEST.  Defn:  The elastic round the waist of pants, which in British usage = underpants, and presumably the female kind (panties) because of being *laciest*.  Have refrained from being pictorial here, I might not get past the moderator!