I see that the scars are in the process of healing over. This will take some years, but in the mean time you could cut around the scar that has a bulge behind it to help it blend in with the trunk line. A bit of cut paste will lessen the effect as well.

Another alternative is to make the scars a feature by doing some more carving around the scar. Hawthorn is very forgiving when cut, just look at what the hedge layers do with it!

Best regards

Keith

Leeds UK

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"We don't see things as they are, we see them as we are."
 -- Anais Nin

"valde bonsai ex ferreus opus" (see I can do latin as well!)

The Human mind is like a Parachute, They both need to be open to work!