What is the function of a cordelette in anchor-building, and how many pieces does a typical setup include?

• A. A cordelette enables equalization of multiple anchor pieces to a master point; typical setups use three to five pieces.
• B. A cordelette is used to tie a rescue knot; typical setups use one piece.
• C. A cordelette is a type of rope; number of pieces irrelevant.
• D. A cordelette is used only for rappelling; typical setups use two to three pieces.

Answer: (A)