Best Model A Gifts?

[BILL WILLIAMSON]

Hey Carl is this a big secret? You wanna be the only one to have model a cotter pins? Did you corner the market? WE WANNA KNOW!

Do you s'posed to change the pins once a year, or do they wear out?? or do you s'posed to oil 'em?? Dave's got our bulletin book, so's I cain't look it up.
Buster T.