Bem, o nome da chave é "Super".
key "Super+k" konsole
key "Super+f" firefox
key "Super+e" emacs -fg white -bg black -cr honeydew2
key "Super+g" gimp
key "Super+l" libreoffice
key "Super+Shift+k" konversation
key "Super+r" killall -SIGHUP icewm
key "Super+Shift+Ctrl+k" krdc
key "Super+v" vlc
Eu particularmente gosto do Super + r