So pretty much, make up any stats you'd think hats should have. (I'd love to see someone make one up for an Unusual.)
I'll start. Prepare for extremely broken balancing if this is actually implanted.
Doublecross-com:
On sniper: Allows the sniper to highlight all targets he has hit.
Sees through walls upon right clicking twice
gives you a radar
On Spy: Can See through walls
Dashin Hashashin: Allows the spy to scale up walls.
I'll start. Prepare for extremely broken balancing if this is actually implanted.
Doublecross-com:
On sniper: Allows the sniper to highlight all targets he has hit.
Sees through walls upon right clicking twice
gives you a radar
On Spy: Can See through walls
Dashin Hashashin: Allows the spy to scale up walls.