A bandage bow is caused by:

A bandage bow occurs when a bandage is applied too tightly around a horse's limb. This excessive tightness restricts blood flow and can lead to swelling or damage to the tissues beneath the bandage. Proper bandaging techniques are crucial for ensuring that the horse's leg is adequately supported without causing restricted circulation or injury.

Using a bandage that is too wide or applying bandages in humid conditions may affect the bandage's effectiveness or create issues with moisture retention, but they are not the primary causes of a bandage bow. Similarly, neglecting to pad properly may lead to other problems such as pressure sores or chafing, but it is the tightness of the bandage itself that is the definitive cause of a bandage bow. Thus, understanding the importance of applying bandages with the right tension is essential for horse care and management.