DaveReading
Don't suffer fools gladly (must try harder!)
- Location
- Reading, obvs
Note that it's and/or, so having a sharp or pointy blade means no, regardless of length.
Particularly given that the 9/11 hijackers were armed only with Stanley knives (box-cutters).
Having said that, the way they used those to achieve their ends would fail nowadays, in fact it's hard to think of any weapon that could be used in a successful hijack strategy.