### Clue: Working dogs returning last of carrion amid frenzied bark (8)
### Answer: CINNAMON 
 ### Explanation: Definition: bark
 ON(working, as with, say, an electrical appliance) **placed after**(dogs;follows, in an across clue) **reversal of**(returning) [ **last letter of**(last of) "carrion " **contained in**(amid) MANIC(frenzied;wild) ].
Answer: The aromatic bark of the cinnamon tree, often ground and used as a spice.