diff --git a/nix/london/configuration.nix b/nix/london/configuration.nix
index d25e476..cfd5a30 100644
--- a/nix/london/configuration.nix
+++ b/nix/london/configuration.nix
@@ -22,7 +22,7 @@
       config.boot.kernelPackages.v4l2loopback
     ];
     kernelPackages = pkgs.linuxPackages_latest;
-    kernelModules = [ "coretemp" "kvm-amd" "v4l2loopback"];
+    kernelModules = ["coretemp" "kvm-amd" "v4l2loopback"];
     plymouth = {
       enable = true;
       theme = "breeze";
@@ -56,7 +56,7 @@
     interfaces.br0.useDHCP = true;
     bridges = {
       "br0" = {
-        interfaces = [ "enp14s0" ];
+        interfaces = ["enp14s0"];
       };
     };
     firewall = {
diff --git a/nix/london/gsimmer.nix b/nix/london/gsimmer.nix
index 9842ce1..7dd84e7 100644
--- a/nix/london/gsimmer.nix
+++ b/nix/london/gsimmer.nix
@@ -22,7 +22,7 @@
     in [
       (import (builtins.fetchTarball {
         url = "https://github.com/nix-community/emacs-overlay/archive/master.tar.gz";
-        sha256 = "11x80s4jh06ibk390q8wgvvi614fapiswmbi6z9xy9d21pf7mw33";
+        sha256 = "1xa3vqw4kbrpqh6qkkkhrglgj6armrpdgc057kbsfcbaan5xc2pm";
       }))
       discordOverlay
     ];
@@ -135,6 +135,7 @@
     comma
     transmission_4-qt
     ungoogled-chromium
+    looking-glass-client
   ];
 
   # This value determines the Home Manager release that your