We need to put on shoes. If we don't put shoes and a phat on the floor by the foot, it may be dangerous to us. The bride's shoe is required reng to defend, and meshes together dangerous.
We need to put If we do not wear shoes, then touch the ground by the potential harm from us. Therefore, the Red had to wear shoes to protect and cover clothing.
We need to wear shoes. If we don't wear shoes and feel to the floor by may be harmful to our feet. So must therefore have to wear the shoes to protect and prevent dangerous.