Schools and kindergartens are introduced to public facilities and financial institutions to defend against the damage of robbers. If a tentanan is entered, the damage will be more than expected, unless the tyrantic movement is closed until it is reported to the police and waiting for its arrival. There are really a lot of these things happen. At these facilities, the most suitable tool for sealing the tyrantic movement is the "goodby". Caution: Be sure to place the stingles in a location that is not visible. It is sure that if you install it in a way that you can easily take it out in the event of a moment. However, in hallways or entryways, your child may play with and most of all, they may be used by intruders.