Mommy's Helper Pressure Gate Extension Piece Need to make that security gate even longer? Help keep stairs and other areas secure with our Extra Tall No-Trip Extension Safety Gate. This extender is made of the same strong steel construction as the Mommy's Helper Safety Gates. The Gate Extension piece attaches directly to the Pressure Mounted Gate allowing it to extend an extra 3 inches or you can attach one to each side of the gate for an additional 6 inches. Easy one-handed operation, and child proof quick-release top hinge allows adult to remove gate in seconds. And with blocking pegs, gate can be configured to open one way or both ways. No hardware needed. Easy to install.