Dude, the above steps are quite simple. If you look at that picture closely you'll see the outer edge of the lock is tapered and the height of the lock is rather shallow. A Vice Grip 'could' work but it's not likely. One of the reason for designing a surface in this fashion is to defeat most common tool leverage.
*Note that this isn't necessarily a "Lock" in the mechanical sense. There is no mechanism other than the requirement of a unique application to provide leverage for operation.
**Our locksmith actually has a tool for this. He said just use one of those universal pin type sockets that you see on cable shopping networks. Just make sure the pins are small enough to fit in the grooves and enough of the pins will insert that it can be turned with a socket wrench. He has a few different sizes of those sockets and he said if those do not work, he either orders the correct key, molds a key to fit (at considerable expense) or just drills it out and uses a torx bit.(at the owners insistence).
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