According to the owners manual, Chains can be used on the outback. They are only to be installed on the front tires.
Snow tire chains can be purchased at almost any store that sells tires in an area that it snows. Walmart is one place that sells snow tire chains. It is also possible to find them online at any tire store.
Installing tire chains isn't that difficult at all. One reputable place I'd recommend for instructions is http://www.edmunds.com/how-to/how-to-install-tire-chains.html?articleid=45790.
"There are many different places to buy ATV tire chains. The first search shows retailers such as Sears, Jacks Small Engines, and the Tire Chain Store."
If one wants to install tire chains there are a lot of websites where one can look for a catalog or instructions. On You Tube there are some video's that show one how to install them. One can also look at tirerack or gemplers.
There are many different options available in tractor tire chains. The most popular choice is two-link kspacing with an optional V-Bar. Another is Kubota Tractor tire chains recommending to use it in icy conditions.
Rain chains are for your tires to help make your car much more stable on very wet and slick road conditions. You can purchase rain chains at most tire stores that specializes in tire changes or rotations.
There are many stores online where you can purchase truck tire chains. Some of the more popular online stores include Quality Chain Corp, TirechainsRus and Amazon.
You generally put them on one tire at a time. Just like putting a chain on a single tire.
only if they make one
One can obtain chains for a snow blower from Snowblowers Direct and Gilson Snowblowers website. An example is Ariens 13 x 4 inch snow blower tire chains for $49.99.
To wear....
Tire chains are available at most retailers that sell auto parts and supplies or tire outlets. To find discounts, watch for sales flyers and promotions or coupons in local newspapers or in mailers such as those from ValPak. Coupons and promotional codes can also be found online on sites such as Coupon Cabin or Retail Me Not.