Dr. Robert Hamilton, or Dr. Bob as he's known to his patients, has been a practicing pediatrician for around 30 years, so you can bet he's got a few tricks up his sleeve. One of his most impressive skills is his ability to calm a fussy baby in mere seconds. Luckily, for any parents out there, he has shared his secret in this adorable video. You should watch the whole thing to learn the technique properly and safely, but the crux of it is to very gently shake your baby's booty. How cute is that?! The doctor, who works from 'Pacific Ocean Pediatrics' in Santa Monica, appears to be a true baby whisperer! Check out the video below to find out more!