--- config.h
+++ config.h
@@ -178,6 +178,7 @@ static Key keys[] = {
 	{ MODKEY,                       XK_e,      setlayout,      {.v = &layouts[LAYOUT_I_grid]} },
 
 	{ MODKEY,                       XK_space,  togglefloating, {0} },
+	{ MODKEY|ShiftMask,             XK_space,  togglealwaysontop, {0} },
 	{ MODKEY,                       XK_0,      view,           {.ui = ~0 } },
 	{ MODKEY|ShiftMask,             XK_0,      tag,            {.ui = ~0 } },
 	{ MODKEY,                       XK_comma,  focusmon,       {.i = -1 } },