You can use the '47-'49 lower windlace and retainer. They screw into the side of the rocker panel as apposed to the floor. I screwed mine on, then used a pry bar to lift the edge of the retainer up far enough to easily slide the floor mat in an out when needed.
Carl

Last edited by 52Carl; 11/21/2016 12:52 AM.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission