│ ├ dog goods
│ │ └ cage
│ ├ cat goods
│ │ └ cat cage
│ │ └ Cages, Accessories
│ │    ├ house
│ │    ├ Paving and flooring materials
│ │    └ hammock
│ ├ Bird Products
│ │ ├ cage cover
│ │ └ cage lock
│       └ breeding cage
   └ bicycle
      ├ Frame, Parts
      │ └ drivetrain
      │    └ Pulley, pulley cage
      └ Bicycle Accessories
         └ Bottle, Bottle Cage
            ├ bottle
            ├ bottle cage
            ├ Volcage Adapter
            └ Other bottle-related products
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