DS got his first one yesterday, at just over 3 months old.
He'd been losing his hair, and his head was covered in these big 2" bald patches. DH finally convinced me that we should just shave his head so I'd stop complaining about how not awesome it looked in pictures.
We used clippers...and only after I'd put the blades directly on my skin (my palms) to make sure it wouldn't hurt him. It took 4 of us...my FIL held him upright in his lap, MIL kept him distracted with one of his musical toys, DH shaved and I took pictures and video. Unfortunately the pictures are all a little blurry...had I realized we were going to do this I'd have brought my nice camera down
He didn't seem to mind it too much. DH had the clippers turned on for a bit before he started so DS could get used to the sound, and put his hands on the shaft so he'd feel the vibrations.
We left a tuft on top (where he hadn't lost any), so I can style it into a mohawk. It needs to be cleaned up some today, but And I kept most of the clippings, lol.
When did your LO get their first haircut?
Post-cut--Evan is skeptical, but Mama and Daddy are much happier.