PrOP-M - skis type walking robot

Does anybody know were i can find more information on PrOP-M or skis type walking robot in general
PrOP-M-green-x640.jpg

Is there a a name for this type of walking ?

No clue about the PrOP-M, but to make that type of walking, you need two motors and two 4-bar mechanisms set up in a parallelogram.

Nothing comes to mind, but there’s likely a name for it.