I'm a visual & tactile learner.  Is there any chance someone can share pictures of an underrun heel and a "good" heel/hoof? 
Also, has anyone ever used these Comfort Pads in their boots?  Is this what I'm looking for based on Lavinia's recommendation?  Sorry to be so dense.  Thank you
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- Julie Thomas
September 2018, Seabeck, WA
Case Histories: https://ecir.groups.io/g/CaseHistory/files/Julie-Ike-Sparky  .
Ike Photos: https://ecir.groups.io/g/CaseHistory/album?id=73042  .
Sparky Photos: https://ecir.groups.io/g/CaseHistory/album?id=73044  .