Stairs can be daunting to the dog that's not had much experience with them. There are so many different types of stairs, too, that it's important to find as many different types: wooden, spiral, concrete, metal, without risers (backs), glass, steep, short, etc. Here's a video of Talos experiencing an odd-looking set of stairs: glass sided without any risers. He does a fine job, taking the lead of my husband.