Involved in chromosome segregation. During meiotic prophase, connects telomeres to the spindle pole body by forming a bridge between the telomere protein rap1 and the spindle pole body protein sad1. Interacts with bqt1. The bqt1-bqt2-sad1 complex binds rap1. Colocalizes with the telomere cluster during the 'horsetail' stage and then disappears before the first meiotic division.