Robbins and Catherine in “Ch-Ch-Changes”

Piano wires. They're used to mobilize the lower part of the abdominal skin and anchor the neo-vagina, so it can heal in place.

I can only imagine those cramps.

The surgeon stuffs the portal with a cylinder wrapped in gauze to hold its shape while it heals, and sutures it.

And how long does milady have to wear a wire?

Well, after five days, the vagina is un-sutured, and the wires are removed.