If your child or friend has T-Rex arms, you can help them by being supportive, understanding, and respectful of their ways of seeing and reacting to things that they sense and their needs. You can also help them by: Giving them comfortable and right clothes, things, or devices that can support or protect their arms, wrists, or elbows, such as supports, wraps, or gloves. Telling them to stretch, massage, or exercise their arms, wrists, or elbows often, to prevent or ease pain, stiffness, or injury. Giving them different or more ways of making their senses happy, such as fidget toys, stress balls, or weighted vests, that can give them different or more things that make their senses feel good. Learning more about autism and how people are different in their brains and telling others about their needs and rights. This can help you and others understand, accept, and respect T-Rex arm and other traits that autistic people have, and reduce the bad things or treatment that may come from them.