Double Open Comb And Self Lubricating Razors – What They Are And How To Use Them By mantic59 12 Comments [Updated August, 2020] The "open comb" razor was one of the original safety razor head designs. While the evolution of the double edge razor generally moved to a safety bar, the open comb concept did …Continue Reading about Double Open Comb And Self Lubricating Razors – What They Are And How To Use Them →