For freedom of movement it is ideal to be positioned at least 14 inches from any nearby wall or object. However, if you are unable to secure your eye screw into a ceiling joist the Special Delivery Baby Hammock may be hung in a door jam, centering the eye screw or clamp hanger in the center of the door jam. Complete vertical movement can be enjoyed, however horizontal movement will be limited due to the door frame and appropriate caution will need to be exercised.