Molded rubber windshield channel.
1954 Oldsmobiles, 1955-56 Oldsmobile convertibles, and 1955 Oldsmobile closed models using first type channel. This channel is slotted across the top only for chrome retention; the remainder is unslotted and the moldings lay on top of the rubber.
1955 Cadillac 2 door hardtops including Coupe Deville
1954 Buick Special, Century and Skylark, and 1955-56 Buick Special and Century convertibles.