Colorado got 2ft of snow the other day....
https://www.google.ca/amp/s/www.kmbc.com/amp/article/colorado-gets-almost-2-feet-of-snow-on-the-first-day-of-summer/28165683
They are straight forward to install. They come with a template and just grab a good bit to drill. You will need 2 people to install. My was a biotch because of the 135L tank. Sliding are good for the trailers that don’t have front corners chopped off giving you a better turning radius...