Yes, in fact, many businesses use door hangers to inform the public about their latest promos and discounts. Often these door hangers have some kind of attached coupons.
Added: Technically, you could be committing "trespass" if you hung one on a residence that was posted with a "no solicitations" sign.
Also, (in the US) you may not hang one on a residential mailbox, it is a violation of US Postal regulations EVEN IF the mailbox is on private property.
There are hooks that have adhesives on the back which you can stick to the surface of the glass door. Also magnetic wreath hangers some can hold up to 10lbs.
There is a store called Hang It Dang It which sells quilt hangers of various sizes. The hangers this store sells are expandable and are easily adjusted to fit most sizes of quilts, even very large ones such as yours. Hang It Dang It accepts orders online, and offers a Lifetime Warranty on all of the hangers it sells.
Clevis hangers spaced every 5 feet
On hangers in a wardrobe or if they have been washed on a cloths line to dry.
Wooden hangers will be better for long term clothing storage.
You can use wire hangers to unlock car doors. You can also use them as a paper towel holder. It is also a perfect to hang your keys!
Because they hang your coat (and other clothes) Sherlock.
Quilt hangers can be made or bought. They can be made from a wooden or metal materials and can hang on the wall or sit in the floor. They can be bought cheaper than being made.
I know of a website actually called quilt-hangers.net. They offer wooden quilt hangers that can "gently hang any quilt, no sleeves needed!" According to the site, the hangers are invisible and they can be used with any quilt. They are made in the USA.
You hang Christmas stockings, with care.
Padded hangers have many uses. The most common use is to hang clothes on much like a non-padded hanger. They can also be used for arts and crafts projects.
Quilt hangers can be purchased at the stores which are selling fabrics, sewing or quilting related items, such as Nancy's Nortions, CREATE FOR LESS and QuiltSource Canada. They can also be found at ebay or Amazon.