### Clue: Reserve force without cutback in uniform decoration (6)
### Answer: TASSEL 
 ### Explanation: Definition: uniform decoration
 TA(abbrev. for "Territorial Army", a volunteer reserve force) + **reversal of**(… cutback – I'm not sure how "cut" fits in) [-LESS](suffix denoting "without", as in "sleepless").
Defn: … consisting of a tuft of loose threads secured by a knot.