Craig-
From your comment, I'm guessing there's not an "official BSA PSK" like so many other bits of "official" gear (if not, I"m sure surprised). Maybe you could propose that they create and market one, perhaps something similar to the Ritter Pocket Survival Pak (suppose a scapel blade could be a little touchy).
Dan
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"Things that have never happened before happen all the time." — Scott Sagan, The Limits of Safety