diff --git a/modules/admin.py b/modules/admin.py
index 765758ca..3128afb8 100644
--- a/modules/admin.py
+++ b/modules/admin.py
@@ -45,7 +45,7 @@ class Module(ModuleManager.BaseModule):
         :permission: reconnect
         """
         line = event["server"].send_quit("Reconnecting")
-        line.on_send(lambda: self.bot.reconnect(
+        line.events.on("send").hook(lambda e: self.bot.reconnect(
             event["server"].id, event["server"].connection_params))
 
     @utils.hook("received.command.connect", min_args=1)
@@ -97,9 +97,9 @@ class Module(ModuleManager.BaseModule):
         reason = event["args"] or ""
         for server in self.bot.servers.values():
             line = server.send_quit(reason)
-            line.on_send(self._shutdown_hook(server))
+            line.events.on("send").hook(self._shutdown_hook(server))
     def _shutdown_hook(self, server):
-        def shutdown():
+        def shutdown(e):
             server.disconnect()
             self.bot.disconnect(server)
         return shutdown
diff --git a/modules/signals.py b/modules/signals.py
index 8e31d03e..0be15692 100644
--- a/modules/signals.py
+++ b/modules/signals.py
@@ -26,7 +26,7 @@ class Module(ModuleManager.BaseModule):
 
                 line = utils.irc.protocol.quit("Shutting down")
                 sent_line = server.send(line, immediate=True)
-                sent_line.on_send(self._make_hook(server))
+                sent_line.events.on("send").hook(self._make_hook(server))
 
                 server.send_enabled = False
                 written = True
@@ -35,7 +35,7 @@ class Module(ModuleManager.BaseModule):
             sys.exit()
 
     def _make_hook(self, server):
-        return lambda: self.bot.disconnect(server)
+        return lambda e: self.bot.disconnect(server)
 
     def SIGUSR1(self, signum, frame):
         self.bot.trigger(self._reload_config)
diff --git a/src/EventManager.py b/src/EventManager.py
index 18006058..473386c2 100644
--- a/src/EventManager.py
+++ b/src/EventManager.py
@@ -57,6 +57,9 @@ class EventHook(object):
         self._stored_events = [] # type: typing.List[typing.Dict]
         self._context_hooks = {} # type: typing.Dict[str, typing.List[EventCallback]]
 
+    def new_root(self) -> "EventHook":
+        return EventHook(self.log)
+
     def _make_event(self, kwargs: dict) -> Event:
         return Event(self._get_path(), **kwargs)
     def make_event(self, **kwargs):
diff --git a/src/IRCLine.py b/src/IRCLine.py
index 53f328b8..2a52bf23 100644
--- a/src/IRCLine.py
+++ b/src/IRCLine.py
@@ -85,13 +85,13 @@ class ParsedLine(object):
         return " ".join(pieces).split("\n")[0].strip("\r")
 
 class SentLine(IRCObject.Object):
-    def __init__(self, send_time: datetime.datetime, hostmask: str,
-            line: ParsedLine):
+    def __init__(self, events: "EventManager.EventHook",
+            send_time: datetime.datetime, hostmask: str, line: ParsedLine):
+        self.events = events
         self.send_time = send_time
         self._hostmask = hostmask
         self.parsed_line = line
 
-        self._on_send: typing.List[typing.Callable[[], None]] = []
         self.truncate_marker: typing.Optional[str] = None
 
     def __repr__(self) -> str:
@@ -135,9 +135,3 @@ class SentLine(IRCObject.Object):
         return self._for_wire().decode("utf8")
     def truncated(self) -> str:
         return self._encode_truncate()[1]
-
-    def on_send(self, func: typing.Callable[[], None]):
-        self._on_send.append(func)
-    def sent(self):
-        for func in self._on_send[:]:
-            func()
diff --git a/src/IRCServer.py b/src/IRCServer.py
index 29a705c0..a8bd12ea 100644
--- a/src/IRCServer.py
+++ b/src/IRCServer.py
@@ -246,14 +246,16 @@ class Server(IRCObject.Object):
         if not self.send_enabled:
             return None
 
+        line_events = self.events.new_root()
+
         self.events.on("preprocess.send").on(line_parsed.command
-            ).call_unsafe(server=self, line=line_parsed)
+            ).call_unsafe(server=self, line=line_parsed, events=line_events)
         self.events.on("preprocess.send").call_unsafe(server=self,
-            line=line_parsed)
+            line=line_parsed, events=line_events)
 
         line = line_parsed.format()
-        line_obj = IRCLine.SentLine(datetime.datetime.utcnow(), self.hostmask(),
-            line_parsed)
+        line_obj = IRCLine.SentLine(line_events, datetime.datetime.utcnow(),
+            self.hostmask(), line_parsed)
         self.socket.send(line_obj, immediate=immediate)
         return line_obj
     def send_raw(self, line: str):
diff --git a/src/IRCSocket.py b/src/IRCSocket.py
index 4853a23f..3b3395e8 100644
--- a/src/IRCSocket.py
+++ b/src/IRCSocket.py
@@ -149,7 +149,7 @@ class Socket(IRCObject.Object):
         sent_lines = [] # type: typing.List[IRCLine.SentLine]
         for i in range(sent_lines_count):
             sent_line = self._buffered_lines.pop(0)
-            sent_line.sent()
+            sent_line.events.on("send").call()
             sent_lines.append(sent_line)
 
         self._write_buffer = self._write_buffer[bytes_written_i:]