PC: Level 100 Strange Rat Stompers

[Party Chocobo]

Only one other S.Rat Stompers on Outpost and they're asking 11.55 ref

Any clue as to what I could get for these?

 

[staticvoid]

Honestly have no idea what these are, and I don't expect others to know either.

http://wiki.teamfortress.com/wiki/Rat_Stompers for reference.