wharves and pylons that were prominent along the docks of Port Adelaide at the turn of the 20th century. Prior to adopting the guernsey the club had won 3 premierships over 31 years. After adopting the guernsey, the club won 33 premierships and 3 Championships of Australia. The Prison Bar nickname first originated from fans of rival football clubs, in particular those of . The nickname was used in a derogatory fashion, in an attempt to liken the club to a criminal stereotype. The nickname first appeared in media in early 1993, in a match report written by former cricketer Alan Shiell. The nickname was subsequently accepted by the Port Adelaide fanbase, becoming a popular nickname for the design among fans. Upon joining the AFL, Port Adelaide, along with being required to find a new logo, song and nickname, was also forced to replace the Prison Bar guernsey because existing club Collingwood, already using the Magpie logo and nickname, also wore a similar guernsey with vertical black and white stripes. A new guernsey was ultimately created, incorporating teal into its design. Since the club's entry to the AFL, Port Adelaide has made numerous requests to the AFL to wear the Prison Bar guernsey in specific games, only some of which have been approved. The club was first granted the right to wear an AFL-approved Prison Bar guernsey (a replica of the 1914 premiership design) in the Heritage Round of the 2003 season. During 2007, following controversy the year prior in which the AFL declined Port Adelaide the right to wear their heritage guernsey, the AFL and Port Adelaide reached an agreement whereby the club could wear its traditional guernsey in the heritage round, with the proviso that in future seasons its players can only wear it in home heritage round games and provided that such a game is not against Collingwood. No heritage rounds have been held since this agreement was reached. In 2014, the AFL declined Port Adelaide permission to wear its traditional guernsey for celebrating of 100 years since its 1914 Championship of Australia. On 2 September 2014, the AFL cleared the club to use the guernsey in their final against , following controversy about their prior decision to have Port Adelaide wear their clash strip. For their 150th anniversary, the club was granted permission to wear the guernsey in its Showdown match in the 2020 season. The