Coventry City season ticket holders not going to City's game at Swindon Town on October 24th can get into Cov Rugby Club for £10 on that day.
Cov play Rosslyn Park at the Butts Park Arena on that day and season ticket holders can get in for £10 by showing their season ticket or if they have bought tickets under the club's OctoberFest scheme.
More on this - http://www.ccfc.co.uk/news/article/tickets-october-fest-coventry-city-league-one-2709109.aspx