ExtremAddiction is one man, Sergey Rogovets, an uber talented knife maker and metal master who does everything by hand. No CNC machines, no waterjets, no CAD, Sergey is old school, he uses paper and pencil and Manual machines and it all happens in house from part manufacturing to heat trat and assembly. Sergey makes everything from custom knives to pens and jewelry through his alter ego SR Metalworks. His custom knives include Cleavers, Karambits and balisongs. His SR Metalworks genre includes custom pens, lighters, sterling silver jewelry and cane walking sticks to name a few.