23 links have been added on 9 ideas about #door.
  1. https://www.ebay.com/itm/156535116083

  2. You could always use a door stopper.

  3. These door openers are available on Amazon.

  4. You can also get them at eBay
    https://www.ebay.com/itm/403981941663

  5. These are quite common, and you can find one at Amazon!