Its not ok to handcuff kids.
James' brother asked him to babysit even though he didn't like kids, and the kids kept running around the house and yelling.
James wants the kids to sit quietly until his brother gets back.
James gives each of his brother's kids an iPad or laptop to use.
James handcuffs his brother's kids to chairs at the dining room table.
James' brother's kids sit quietly while surfing the Internet until his brother comes to collect them.
James' brother hits the roof when he comes home and James is banned from his house.