March 2, 2006 – Thingamajig Thursday #13

Here’s this week’s “Thingamajig Thursday” entry. Also check out last week’s answer. Here’s something we use in the house AND in one of the outbuildings.
oyster shells
As always, put your guess in a comment below.

Answer…

Oyster Shells – used for the chickens to have enough calcium to lay strong eggs and used in the corn stove to help prevent “clinkers.”