Rubber matting

[Nenmax]

I have a stone based yard with a shelter. I've put rubber mats in the shelter but I'm finding they move around and lift. This allows bedding to get under the mats and is a trip hazzard.
Just wondering if anyone has an idea how I can stop them moving.

 

[MarvelVillis]

You may get more responses posting this on the tack room

 

[Nenmax]

You may get more responses posting this on the tack room

Thanks. I'm learning ?