A bail support mechanism includes a bail support member (2), a striking member (4), a biasing member (5), and an abutting surface. The abutting surface includes a first portion (24), a second portion, a stepped portion (26), and a sliding portion (27). The first portion (24) is a portion that the striking member (4) abuts when in the line guiding position. The second portion is a portion that the striking member (4) abuts when in the line releasing position. The stepped portion (26) is disposed between the first portion (24) and the second portion and has an apex (261). The sliding portion (27) extends continuously from the first portion (24) to the apex (261).