The Reader's Pack has 13 clip-on markers: S (Scriptural), B (Benediction), C (Correlative) P (Lord's Prayer), S (Scientific Statement of Being), 1, 2, 3 (could be used for Hymns, or the numerical markers can be used for readings), and 5 colored markers for favorite passages that you'd like to give attention to.
Additional types of Kenex Markers: