More to explore:
Drag Bag for Handicapped Dogs - XLarge by Walkin' Wheels, http://www.amazon.com/gp/product/B006X2F7F2?ie=UTF8=abacusonlines-20=shr=213733=393177=B006X2F7F2=1358378307=8-50=sewing+pet+clothes via @amazon
When pets can’t use their back legs, Walkin' Wheels Drag Bags prevents abrasions and sores that can be cause by scraping against carpets, floors, and rough surfaces. What an amazing idea!!
Drag bag for paralyzed pets
Walkin' Wheels Dog Drag Bag