Fisher & Paykel Dishwasher tray lock add on

This little yellow block slips in behind the hindged gray caps on the dishwasher rails to prevent them opening accidentally which would allow the tray to slide off the rails unintentionally possibly resulting in broken dishes.

The opening of the rails by themselves seems to a a minor design flaw in this model dishwasher but this lock prevents unintentional removal of the tray

There is a left and a right one. They are easy to remove if you need to slide the tray right out to alter its heig