original post: https://redd.it/18q32w7
Here is an example that can be given of how the occlusion works on wounded soldiers. It is a special patch that is used to close an open wound in the chest and minimize the risk of pneumothorax - the main cause of death on the battlefield.
UkraineWarVideoReport by BoomStickAshe
Russian soldiers suffered a painful injury while riding a motorcycle.
A russian with a "Z" patch tried to save his wounded buddy after