--- a/config.def.h	Sun May 12 19:15:15 2013 +0400
+++ b/config.def.h	Wed Apr 02 20:43:22 2014 +0400
@@ -24,6 +24,7 @@
 
 /* layout(s) */
 static const float mfact      = 0.55; /* factor of master area size [0.05..0.95] */
+static const int nmaster      = 1;    /* number of clients in master area */
 static const Bool resizehints = True; /* True means respect size hints in tiled resizals */
 
 static const Layout layouts[] = {
@@ -59,6 +60,8 @@
 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_j,      pushdown,       {0} },
 	{ MODKEY|ShiftMask,             XK_k,      pushup,         {0} },
+	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
+	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_Return, zoom,           {0} },