“…The wearer also may receive the messages or an indication of a message using audio or haptics. The performance of activities related to many different sports have been researched such as badminton [42], [43], basketball [44], [45], rowing [46], [47], swimming [48], [49], hockey [50], skiing [51], [52], martial art [53], [35], weightlifting [54], tennis [55], baseball [56] and golf [57], [58].…”