1 files changed, 3 insertions, 0 deletions

diff --git a/data/keys b/data/keys
index a8c7cba..8b2a234 100644
--- a/data/keys
+++ b/data/keys
@@ -15,6 +15,9 @@ OnToolbar Mouse5 :PrevWorkspace
 OnWindow Mod1 Mouse1 :StartMoving
 OnWindow Mod1 Mouse3 :StartResizing
 
+# middle click a window's titlebar and drag to attach windows
+OnTitlebar Mouse2 :StartTabbing
+
 # double click on the titlebar to shade
 OnTitlebar Double Mouse1 :Shade