i made a cardboard spy knife : r/tf2

more tf2 weapon ideas : r/tf2

Stan Smith vs The Soldier, Death Battle Fanon Wiki

List of references (Spy) - Official TF2 Wiki

Maserin - D-Dut Multi Tool - Red - 214R - multipurpose knife

How would a regular kitchen knife work? : r/tf2

TF2 Big Earner

Planecrafters Game Review — Meeple Mountain

Steam Workshop::Nightmare Before Smissmas - Winter 2017 Community Collection

How to Make a Cardboard Butterfly Knife

Concept for a new combat knife! : r/tf2