diff --git a/lib/key-bindings.zsh b/lib/key-bindings.zsh
index 2e282d6..7196a88 100644
--- a/lib/key-bindings.zsh
+++ b/lib/key-bindings.zsh
@@ -20,6 +20,7 @@ bindkey "^[[F"  end-of-line
 bindkey "^[[4~" end-of-line
 bindkey ' ' magic-space    # also do history expansion on space
 
+bindkey '^[[Z' reverse-menu-complete
 
 # consider emacs keybindings:
 
diff --git a/plugins/vi-mode.plugin.zsh b/plugins/vi-mode.plugin.zsh
new file mode 100644
index 0000000..c47ab72
--- /dev/null
+++ b/plugins/vi-mode.plugin.zsh
@@ -0,0 +1,22 @@
+function zle-line-init zle-keymap-select {
+  zle reset-prompt
+}
+
+zle -N zle-line-init
+zle -N zle-keymap-select
+
+bindkey -v
+
+# if mode indicator wasn't setup by theme, define default
+if [[ "$MODE_INDICATOR" == "" ]]; then
+  MODE_INDICATOR="%{$fg_bold[red]%}<%{$fg[red]%}<<%{$reset_color%}"
+fi
+
+function vi_mode_prompt_info() {
+  echo "${${KEYMAP/vicmd/$MODE_INDICATOR}/(main|viins)/}"
+}
+
+# define right prompt, if it wasn't defined by a theme
+if [[ "$RPS1" == "" && "$RPROMPT" == "" ]]; then
+  RPS1='$(vi_mode_prompt_info)'
+fi