There is a grouchy ol bastage in Chatham that usta have a nice little side business makin sand eel rakes,, meybe he still does

... anyway, I know even old second hand ones of his, are quite popular... maybe, if he has a non grumpy moment. he'll chine, er, chime in here...
if not...
bait shack in Orleans, a(nd I've seen 'em in other B&Ts).. had the chines right on the counter last summer, few cents a piece... you could drill out the broken ones, and just take it to a welder, or a machinist, and giterdun.