initializer.rb

# myproject/config/initializers/handlebars_assets.rb

HandlebarsAssets::Config.path_prefix = 'backbone/templates'

t1.haml

/ myproject/app/assets/javascripts/backbone/templates/current_readings/current_reading.hamlbars

/ -*- mode: haml -*-

%dt {{title}}
%dl {{value}}

t2.haml

/ myproject/app/assets/javascripts/backbone/templates/current_readings/index.hamlbars

/ -*- mode: haml -*-

%dl

%form.settings
  %button.refresh.btn.btn-primary Обновить