this fiendish puzzles holds the password to my secret lair

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Across
  1. 4. we use chaff to baffle it
  2. 5. an item used offensively
  3. 6. a rhythm that is often difficult and offbeat
  4. 7. one of the things our pets make that we can be allergic to
  5. 8. the insulating bit on a husky, or a light and frivolous piece of media
Down
  1. 1. japanese rice and seaweed snack
  2. 2. a piece that has become part of the whole
  3. 3. underwater fishing projectile
  4. 6. in part of a series