ok

code/modules/keybindings/bindings_client.dm

@@ -59,6 +59,11 @@
 		else
 			full_key = "[AltMod][CtrlMod][ShiftMod][_key]"
 	var/keycount = 0
+	if(prefs.modless_key_bindings[_key])
+		var/datum/keybinding/kb = GLOB.keybindings_by_name[prefs.modless_key_bindings[_key]]
+		if(kb.can_use(src))
+			kb.down(src)
+			keycount++
 	for(var/kb_name in prefs.key_bindings[full_key])
 		keycount++
 		var/datum/keybinding/kb = GLOB.keybindings_by_name[kb_name]

code/modules/keybindings/keybind/_keybind.dm

@@ -7,6 +7,8 @@
 	var/category = CATEGORY_MISC
 	var/weight = WEIGHT_LOWEST
 	var/keybind_signal
+	/// The default value for a modifier-independent bind.
+	var/modifier_independent_keybind
 
 /datum/keybinding/New()