One-Piece CC

Gillette Closed Comb One Piece Razor Guide: Identify Your Model & Date Codes (late 1930s-1970s)

The Closed Comb Twist to Open (TTO) series was introduced in the late 1930s and became one of Gillette’s most popular lines. It was designed to offer a comfortable, mild shave and an easy-to-use blade-changing mechanism.