A reel for use in an agricultural header has an axis of rotation and comprises a bat and a finger. The bat is mounted to rotate around the axis of rotation to gather crop, and has a non-circular cross-sectional profile. The finger is mounted to the bat to rotate with the bat around the axis of rotation to gather crop. The finger comprises a tine and a clamshell mount to which the tine is coupled and that surrounds the bat to mount the finger to the bat against rotation about the bat.