Carolina Replacement Biscuit. Replace a worn biscuit, or switch to a different arrow type by simply installing a new Biscuit. All whisker biscuit arrow rests are designed to use any Replacement Biscuit. You don"t need a new rest to change from hunting whitetails to fishing for gators. Just a different Biscuit! Get yours today! AVAILABLE SEPARATELY: Carolina Replacement Biscuit for Aluminum - word search in our Store for "Carolina". Carolina Replacement Biscuits for ICS Carbon