K9 SSG: will use either NACSW or SDDA odours but not together at the same game.
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Single Odour Game: Birch or Wintergreen
Double Odour Game: Birch and Anise or Wintergreen and Pine
Triple Odour Game: Birch, Anise and Clove or Wintergreen, Pine and Thyme

NACSW Odours:  
Birch - Betula Lenta 
Anise - Pimpinella Anisum
Clove - Eugenia Caryophylatta

SDDA Scents:
Wintergreen (Gaultharia procumbens) 
Pine (pinus pinaster or sylvestris) 
Red/WhiteThyme (Thymus vulgaris) 

C-Wags Scents:
Birch Bark Sweet (Betula lenta) 
Clove Bud (Eugenia caryophyllata or Syzygium aromaticum L) 
Cypress (Cupressus sempervirens)