Will Robinson
January 28, 2016 AT 12:00 PM EST

Only Deadpool could bring the funny to a PSA for self-exams to help prevent testicular cancer.

In a new video, Marvel’s Merc with a Mouth (played by Ryan Reynolds) tells men how to check their “manberries, or as I like to call them, smooth criminals” for symptoms of testicular cancer, which is the most common form of cancer in men aged 15–35, he notes.

“Gentlemen, how well do you know your happy sack?” he begins, before offering instructions, helpful diagrams, and such comedic gems as “Don’t get too excited, though. You’re on a mission here.”

See the tutorial from Deadpool below.

Deadpool, directed by Tim Miller, will be released Feb. 12.

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