diff --git a/source/birchwood/client/receiver.d b/source/birchwood/client/receiver.d
index c4573f4..71cb327 100644
--- a/source/birchwood/client/receiver.d
+++ b/source/birchwood/client/receiver.d
@@ -2,16 +2,32 @@ module birchwood.client.receiver;
 
 import core.thread : Thread;
 
+import std.container.slist : SList;
+import core.sync.mutex : Mutex;
+
 // TODO: Examine the below import which seemingly fixes stuff for libsnooze
 import libsnooze.clib;
 import libsnooze;
 
+import birchwood.client.core : Client;
+
 public final class ReceiverThread : Thread
 {
+    /** 
+     * The receive queue and its lock
+     */
+    private SList!(ubyte[]) recvQueue;
+    private Mutex recvQueueLock;
+
     /** 
      * The libsnooze event to await on which
      * when we wake up signals a new message
      * to be processed and received
      */
     private Event receiveEvent;
+
+    /** 
+     * The associated IRC client
+     */
+    private Client client;
 }
\ No newline at end of file
diff --git a/source/birchwood/client/sender.d b/source/birchwood/client/sender.d
index 17b4b86..98ada33 100644
--- a/source/birchwood/client/sender.d
+++ b/source/birchwood/client/sender.d
@@ -2,16 +2,32 @@ module birchwood.client.sender;
 
 import core.thread : Thread;
 
+import std.container.slist : SList;
+import core.sync.mutex : Mutex;
+
 // TODO: Examine the below import which seemingly fixes stuff for libsnooze
 import libsnooze.clib;
 import libsnooze;
 
+import birchwood.client.core : Client;
+
 public final class SenderThread : Thread
 {
+    /** 
+     * The send queue and its lock
+     */
+    private SList!(ubyte[]) sendQueue;
+    private Mutex sendQueueLock;
+
     /** 
      * The libsnooze event to await on which
      * when we wake up signals a new message
      * to be processed and sent
      */
     private Event receiveEvent;
+
+    /** 
+     * The associated IRC client
+     */
+    private Client client;
 }
\ No newline at end of file