Catechism of Pope St. Pius X (CPX) p. 83-85.  Q/A 1-14.
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– Pneumonic to memorize: C-CAP: Contrition, Confession, Absolution, Penance.
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– 15 Mortal Sins Catholics Are Missing in Their Confessions (blog):
https://padreperegrino.org/2019/08/mortalsins/
– Tips on making a good confession video:
https://youtu.be/QICKUkEj5WM
– How to Make A General Confession video:
https://www.youtube.com/watch?v=6u1ZjJMBTiw