Page "Door" Paragraph 125
:"... It is essential that children's fingers be protected from being crushed or otherwise injured in the hinge space of a swinging door or gate.
There are simple devices available to attach to the hinge side, ensuring that this type of injury does not occur.
In addition, young children are vulnerable to injury when they fall against the other ( hinged ) side of doors and gates, striking projected hinges.
Piano hinges are not recommended to alleviate this problem as they tend to sag over time with heavy use.
Instead, an inexpensive device fitting over hinges is available on the market and should be used to ensure safety ..."