Peruse this description of products that we have found helpful --- for older pets, for sore elbows, etc.

Protective Body Wear
    Dog:eggs manurfactures several helpful durable items:
    Elbow socks --- protect elbows from wear and tear on hard surfaces in all dogs, particularly those with large and fragile elbow callouses.
     Wound Wear --- body covers for surgical sites. An alternative to plastic collars.
    Visit www.dogleggs.com or 1-800-313-1218.