tasty_routes.rb

Tasty::Application.routes.draw do
  resources :items

  constraints(SubDomain) do
    namespace :store, :path => '/' do
      resources :items
    end
  end
end

#       items GET  /items(.:format)  {:action=>"index", :controller=>"items"}
# store_items GET  /items(.:format)  {:action=>"index", :controller=>"store/items"}