This package allows you to boot into the CWM recovery.
CWM recovery means that nitroglycerine33's Bootstrap.(RazrBootstrap.apk from DroidRazr)
This package is not an BMc08GT's "Clockwork on Boot".(from RootzWiki)
BMc08GT's "Clockwork on Boot" does not work on our razr.
But, i have got hint from...