Many Classrooms use mobiles to display art work and other items.
This is a very attractive method of decorating a classroom. There is, however, a hazard involved here and this pertains to the use of a bent paperclip. The mobiles often have a paperclip that has been bent to allow the mobile item to become attached to a supporting string or wire. The hook is usually above the height of the students, but many are at eye level of an adult. Cleaning personnel and teachers could easily suffer serious eye damage by a bent paperclip scratching or entering their eye.