"Hair tourniquet" refers to a situation when a strand or multiple strands of hair get wrapped tightly around a body part, such as a finger or toe, causing pain or discomfort. Full definition
Hair tourniquets occur when a baby gets a hair or thread wrapped around their toe. (wehavekids.com)
Hair tourniquet syndrome is almost certainly not going to happen to your child, but if it does, your baby will suffer less if you are aware of this condition. (theafterbabylady.com)
Take a close look everywhere, even each finger and toe (sometimes hair can get wrapped around a baby's tiny digits and cause pain; this is known as a hair tourniquet). (kidshealth.org)