Curb protectors on back of rolling luggage
I bought new luggage with wheels recently and realized that the two rubberized skids/glides/protectors that were attached vertically on my old luggage are not on my new luggage. I am trying to find the parts so that I can attach them to my new luggage and protect the back of the cases when dragging them up a curb. Does anyone know what these are called? They are generally 12 to 24 inches in height, see eg the photo below.
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Images: Ketut Subiyanto, Andrea Piacquadio, George Pak, Ketut Subiyanto