You can also go to Franciscan University in Steubenville OH and visit the Portiuncula there (it’s a replica of the one in Assisi) and get an indulgence.
http://www.franciscan.edu/StudentLife/Default.aspx?id=793&menu_id=109
“Be detached from all sin, even venial sin.”
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What does that mean, especially if you have leeway to go to confession afterwards?