The Kobuki foundation by yourself won't drift, so it makes sense which the tilted inertia brings about the drift. Needless to say I am able to hack my URDF which has a weightless superstructure, but I wanted to fix this in a more reasonable way. I tried all I'm able https://www.uk-exhibitionstands.co.uk/product-category/pop-ups-and-banner-stands/banner-stands/double-stand/