The first nick made him gasp. The second drew blood. By the time he was done, he looked like he’d lost a fight with a tiny, vengeful lawnmower.

Mark had always used the same electric trimmer for everything — beard, chest, even his eyebrows in a pinch. One rushed Sunday before a beach trip, he decided it was time to “tidy up downstairs.” Same trimmer, same setting. No guard.

He threw away the old beard trimmer for below-the-belt jobs. And his partner? She bought one for herself too — turns out the i3 works great for bikini lines. Practical takeaway: Don’t use a beard trimmer on your balls. Get the i3. Your skin (and walk) will thank you.

Here’s a about the Gillette Intimate Pubic Hair and Balls Trimmer i3 — told from the perspective of someone who learned the hard way why “specialized tool” matters. Title: The i3 Moment