From Brous Blades comes an incredible collaboration with custom knife maker Sal Manaro. The Sinner perfectly balances function with incredible design. Featuring Brous’s proprietary ball bearing system, the Sinner features effortlessly smooth flipping action. Sal Marano’s signature checkered titanium backspacer is also featured here, adding a flair of innovative design. The Sinner combines the beauty and craftsmanship of Sal Marano with the reliability and performance of Brous Blades, making it an excellent choice for every day carry.