How do Gekkos walk on the roof without falling down?

Question

How do Gekkos walk on the roof without falling down?

In: Chemistry

Answer 1

They have the equivalent of velcro ([hook and loop](https://www.youtube.com/watch?v=rRi8LptvFZY)) on their feet; they have [little hairs](https://media.sciencephoto.com/image/c0144849/800wm) that “hook” themselves into the nooks and crannies of the material they’re walking on.