I just seen thus photo on FB of a father and son (possibly 4 or 5 years old) doing skin to skin with…

I just seen thus photo on FB of a father and son (possibly 4 or 5 years old) doing skin to skin with their new twins! I've never seen a child do skin to skin with their sibling! Has anyone let their older child do it? I would love for Drew to do skin to skin with Nevaeh when shes born but I know he'll freak out lol