diff --git a/src/main.cpp b/src/main.cpp
index 858efc1..46dc79e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -167,7 +167,48 @@ int main (int argc, char *argv[]) {
     }
     
     spdlog::info("Found {} output(s)", application_state->outputs.size());
+   
+  spdlog::info("Found {} output(s)", application_state->outputs.size());
+
+// Request lock session
+  spdlog::info("Requesting session lock...");
+  application_state->session_lock = ext_session_lock_manager_v1_lock(application_state->lock_manager);
+  ext_session_lock_v1_add_listener(application_state->session_lock, &lock_listener, application_state.get());
+
+// Create lock surface for each output
+  for (auto& output : application_state->outputs) {
+    // Create Wayland surface
+    output->wl_out_surface= wl_compositor_create_surface(application_state->compostier);
     
+    // Get lock surface for this output
+    output->lock_surface = ext_session_lock_v1_get_lock_surface(
+        application_state->session_lock,
+        output->wl_out_surface,
+        output->output
+    );
+    
+    // Add listener for configure events
+    ext_session_lock_surface_v1_add_listener(
+        output->lock_surface,
+        &lock_surface_listener,
+        output.get()
+    );
+    
+    // Commit to trigger configure
+    wl_surface_commit(output->wl_out_surface);
+    
+    spdlog::debug("Created lock surface for output {}", output->registry_id);
+  }
+
+  // Flush and wait for configure/locked events
+  wl_display_flush(application_state->display);
+  wl_display_roundtrip(application_state->display);
+
+  if (!application_state->locked) {
+      throw std::runtime_error("Failed to acquire lock");
+  }
+
+  spdlog::info("✅ Lock acquired successfully!");
 
   return 0;
 }