Wall Nanny Extender - Baby Gate and Pet Gate Extension. Some gates just aren't long enough to reach the wall...that's why we came up with the Wall Nanny Extender! The Wall Nanny Extender adds 2 inches in length to one side of your gate and 0.5 inches to the other side of the gate. The soft rubber backing of the Wall Nanny will protect your walls and baseboards from damage caused by pressure spindles and make it so the gate no longer slips, slides, and falls down. extended stairway childproofing supergate swing standing latch expandable playard self closing set tension bumper close open