diff --git a/apps/threads.lua b/apps/threads.lua
index a51cece..4ff7d6e 100644
--- a/apps/threads.lua
+++ b/apps/threads.lua
@@ -135,4 +135,38 @@ app:post("thread", "/:slug", function(self)
   return {redirect_to = self:url_for("thread", {slug = thread.slug}, {page = last_page}) .. "#latest-post"}
 end)
 
+app:post("thread_lock", "/:slug/lock", function(self)
+  local user = util.get_logged_in_user(self)
+  if not user then
+    return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+  end
+  local thread = Threads:find({slug = self.params.slug})
+  if not ((thread.user_id == user.id) or user:is_mod()) then
+    return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+  end
+  local target_op = util.form_bool_to_sqlite(self.params.target_op)
+  thread:update({
+    is_locked = target_op,
+  })
+  return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+end)
+
+app:post("thread_sticky", "/:slug/sticky", function(self)
+  local user = util.get_logged_in_user(self)
+  if not user then
+    return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+  end
+  
+  if not user:is_mod() then
+    return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+  end
+  
+  local thread = Threads:find({slug = self.params.slug})
+  local target_op = util.form_bool_to_sqlite(self.params.target_op)
+  thread:update({
+    is_stickied = target_op,
+  })
+  return {redirect_to = self:url_for("thread", {slug = self.params.slug})}
+end)
+
 return app
diff --git a/util.lua b/util.lua
index 64a9a81..e08d67c 100644
--- a/util.lua
+++ b/util.lua
@@ -137,12 +137,7 @@ function util.bton(b)
 end
 
 function util.stob(s)
-  if s == "true" then
-    return true
-  end
-  if s == "false" then
-    return false
-  end
+  return s == "true"
 end
 
 function util.form_bool_to_sqlite(s)
diff --git a/views/threads/thread.etlua b/views/threads/thread.etlua
index b3f06bd..8e850a4 100644
--- a/views/threads/thread.etlua
+++ b/views/threads/thread.etlua
@@ -1,6 +1,8 @@
 <%
   local is_locked = ntob(thread.is_locked)
+  local is_stickied = ntob(thread.is_stickied)
   local can_post = (not is_locked and not me:is_guest()) or me:is_mod()
+  local can_lock = me.id == thread.user_id or me:is_mod()
 %>
 <% if infobox then %>
   <% render("views.common.infobox", infobox) %>
@@ -8,7 +10,24 @@
 <main>
   <nav class="darkbg">
     <h1 class="thread-title"><%= thread.title %></h1>
-    <span>Posted in <a href="<%= url_for("topic", {slug = topic.slug}) %>"><%= topic.name %></a></span>
+    <span>Posted in <a href="<%= url_for("topic", {slug = topic.slug}) %>"><%= topic.name %></a>
+    <% if is_stickied then %> &bullet; <i>stickied, so it's probably important</i>
+    <% end %>
+    </span>
+    <% if can_lock then %>
+    <div>
+      <form class="modform" action="<%= url_for("thread_lock", {slug = thread.slug}) %>" method="post">
+        <input type=hidden value="<%= not is_locked %>" name="target_op">
+        <input class="warn" type="submit" value="<%= is_locked and "Unlock thread" or "Lock thread" %>">
+      </form>
+      <% if me:is_mod() then %>
+        <form class="modform" action="<%= url_for("thread_sticky", {slug = thread.slug}) %>" method="post">
+          <input type=hidden value="<%= not is_stickied %>" name="target_op">
+          <input class="warn" type="submit" value="<%= is_stickied and "Unsticky thread" or "Sticky thread" %>">
+        </form>
+      <% end %>
+    </div>
+    <% end %>
   </nav>
   <% for i, post in ipairs(posts) do %>
     <% render("views.threads.post", {post = post, render_sig = true, is_latest = i == #posts}) %>