
1) Convention in Pennsylvania 2) Melee weapon
Found on
https://www.crosswordclues.com/clue/tekko

The lit. `iron`, `armor`, which originated in Okinawa, Japan, falls into the category of a `fist-load weapon`. By definition, a fist-load weapon increases the mass of the hand so that, given the physical proportionality between the fist`s momentum and its mass, it increases the force the bearer can deliver. Some fist-load weapons may also s...
Found on
http://en.wikipedia.org/wiki/Tekko
[convention] Tekko (formerly Tekkoshocon) is an annual anime convention held during April at the David L. Lawrence Convention Center in Pittsburgh, Pennsylvania. The convention has been held in various locations around the Pittsburgh metropolitan area and is run by a non-profit organization, the Pittsburgh Japanese Culture Society. Tekkosho...
Found on
http://en.wikipedia.org/wiki/Tekko_(convention)

metal knuckles
Found on
http://www.encyclo.co.uk/local/21569
No exact match found.