Yep, and several other surfaces too like rubber and sand.

Those of us who learn & train together play "pass the puppy" as much as possible.

The last two trials I've done, I've been wearing my air-cast boot and there have been three dogs totally freaked out by it. One is a 15 week sheltie (brother of the one still available) and the other two are older. So, we started with me standing still and walking the dog by and moved closer and closer and moved to putting a treat on top of my foot so the dogs would take it.

The puppy is totally fine with it now and the other two dogs are better.