Patented in 1923 the inventor believed that "An occasional application of such grease, the frequency of use, of course, depending upon the extent of travel to which the vehicle is subjected, is quite adequate to keep the car in smooth running condition and to prolong the life of the band linings." Looks completed and should clean up OK. $65 including shipping in the CONUS.
Read the patent claims, interesting accessory
Note the file date!
With that explanation, it only proves that adding grease to the rear brake lining would improve stopping force. A very neat accessory.
ACCESSORY OF THE DAY 01/22/10 RED CUP TRANSMISSION COVER BAND LUBRICATOR