diff --git a/lib/mobylette/controllers/respond_to_mobile_requests.rb b/lib/mobylette/controllers/respond_to_mobile_requests.rb
index 634b3bc..3320cc7 100644
--- a/lib/mobylette/controllers/respond_to_mobile_requests.rb
+++ b/lib/mobylette/controllers/respond_to_mobile_requests.rb
@@ -101,6 +101,14 @@ def respond_to_mobile_requests(options = {})
 
           self.send(:include, Mobylette::Controllers::RespondToMobileRequestsMethods)
         end
+
+        def add_mobile_user_agent(agent)
+          MOBILE_USER_AGENTS << agent
+        end
+
+        def remove_mobile_user_agent(agent)
+          MOBILE_USER_AGENTS.delete agent
+        end
       end
 
       private
diff --git a/spec/controllers/actioncontroller_base_spec.rb b/spec/controllers/actioncontroller_base_spec.rb
index a889d2e..ef0ccd9 100644
--- a/spec/controllers/actioncontroller_base_spec.rb
+++ b/spec/controllers/actioncontroller_base_spec.rb
@@ -6,6 +6,14 @@
     ActionController::Base.respond_to?(:respond_to_mobile_requests).should be_true
   end
 
+  it "should have the add_mobylette_user_agent method" do
+    ActionController::Base.should respond_to(:add_mobile_user_agent)
+  end
+
+  it "should have the remove_mobylette_user_agent method" do
+    ActionController::Base.should respond_to(:remove_mobile_user_agent)
+  end
+
   it "should have the :is_mobile_request? method" do
     # works on ruby 1.9.2, but not on 1.8.7:
     #@controller.private_methods.include?(:is_mobile_request?).should be_true
@@ -19,6 +27,4 @@
 
     @controller.send(:is_mobile_view?).should be_nil
   end
-
-
 end
diff --git a/spec/respond_to_mobile_requests_spec.rb b/spec/respond_to_mobile_requests_spec.rb
index 32215bc..06849bb 100644
--- a/spec/respond_to_mobile_requests_spec.rb
+++ b/spec/respond_to_mobile_requests_spec.rb
@@ -63,4 +63,20 @@ def session
     end
   end
 
+  describe "#add_mobile_user_agent" do
+    it "adds a user agent to the list of agents" do
+      controller.const_get(:MOBILE_USER_AGENTS).should_not include('killerapp')
+      controller.add_mobile_user_agent 'killerapp'
+      controller.const_get(:MOBILE_USER_AGENTS).should include('killerapp')
+    end
+  end
+
+  describe "#remove_mobile_user_agent" do
+    it "removes a user agent from the list of agents" do
+      controller.add_mobile_user_agent 'killerapp'
+      controller.remove_mobile_user_agent 'killerapp'
+      controller.const_get(:MOBILE_USER_AGENTS).should_not include('killerapp')
+    end
+  end
+
 end