How to pronounce “breastpin” in English

and up it went. Bless your heart, he stayed in there from Saturday afternoon till Sunday night, when it flew open and disclosed William with the plans and specifications of a patentwashbowl that would tip over just when it got so full." "The result was that I lost all my rings and a breastpin down the wastepipe. Then he gotup a crutch for a man that could also be used as an opera-glass. Whenever the man leaned on it up it went, and when he put it to his eye to find William, it flew out into a crutch