https://www.amazon.com/dp/B078H1XQL8?...
These elbow supports for kids and babies are highly versatile products. They can be used in any situation where there arm/elbow needs to be kept straight, such as for treating some fractures and sprains of the elbow or arm. Keeping your child from bending the elbow also prevents him or her from touching the face. This might be needed after cleft lip or cleft palate repair or for a special needs child in need of gentle restraint. This can also be a great tool for breaking a thumb-sucking habit. An elbow immobilizer brace can also stop a kid from disrupting an IV.