OK, I found a picture of both the 1st and 2nd generation Rat Shakers in the exchange:
I could go for something like this.
All it needs is simple sheath with a static cord for pocket carry <img src="/ubbthreads/images/graemlins/thumbup.gif" alt="" /> <img src="/ubbthreads/images/graemlins/grin.gif" alt="" />