It’s not always possible. It is better to prepare in advance. For example, using a backpack Skysaver. There is no need for a cable to shake through the window. However, it will be necessary to fix a carbine in the wall, so that the cable will be cling. Although you can use your assistant at the moment. It is easy to use, it is easy to use it, it is easy to use it. The cable will be released automatically.
Detailed instructions in English, 3 points =)
Skysaver &# 8212; rescue backpack for evacuation from a burning house