Medieval Gladiator Doom Face Mask MF DOOM Mask Mad-villain Mild Steel Face Armour Medieval Hand-Forged Doom mask Tribute to mf doom halloween Home decor.The MF Doom mask has become an iconic symbol amount the Hip Hop world which can be seen worn by Rap Artist Daniel Dumile. . This Gladiator style mask has been hand forged using 18 gauge mild steel. Each piece has been painstaking crafted using traditional hand forged methods .