Fastboot leaked... Now we have a safeguard. Check XDA...
Sent from my DROID RAZR using DroidForums
Or just go here
EternityProject Development Forums • [GSM/CDMA] Official Motorola RAZR ROMs Thread : Motorola Droid RAZR XT910/XT912
and download fastboot file and flash away with rsdlite.
There are only two type of flashers; One's that have bricked and one's that will brick!