What describes a finger joint?

• A. A joinery technique used mostly in industry where small "fingers" are cut into corresponding pieces that will be joined together.
• B. A joint formed by mortice and tenon
• C. A joint created by drilling holes through both pieces
• D. A cross-lap joint

Answer: (A)

Finger joints describe an industrial joinery method where the ends of two boards are cut into a series of interlocking “fingers” that fit together and are glued. The multiple fingers create a large glue surface and guide the pieces to align, producing a very strong joint for long sections or for boxes, drawers, or laminated timbers. It’s a technique well-suited to factory work, where machines cut many precise fingers quickly. This contrasts with mortise and tenon, which uses a projection that fits into a cavity; drilling holes to take pegs or dowels; or cross-lap, where pieces overlap with notches rather than end-to-end interlocking fingers. So, the description fits a finger joint best.