In a viral video posted on TikTok in March, Billy Dinerstein, barber and founder of Your Kind of Cuts, is seen cutting the hair of a squirming child as people cheer in the background. “Go Ky Ky Go!” “I’m so happy for you dude,” and “Awesome!” are a few of the chants you’ll hear from the team working to keep the child distracted. Dinerstein is one of the few barbers in the country that offers sensory-friendly haircuts, which is a service that is particularly popular for people who are disabled or on the autism spectrum. “When I first started barbering, I ran into this child — his name is Matthew,”…