Brous Blades Sinner CF scales w/D2 bladeBrous Blades Sinner: The Sinner, a collaboration knife designed by custom knife maker Sal Manaro. The Sinner utilizes proprietary Brous bearing system t o achieve a n incredibly smooth flipping action. Combined with 3D milled carbon fiber scales and titanium liners, it is a lightweight yet incredibly solid feeling knife. The checkered titanium backspacer is a design unique only to Sal Manaro's knives and adds great grip. The forward finger choil on