There shouldn't be force from the ILF dovetail fitting in the direction of the yellow arrow, causing what appears to be the mushrooming (inside the yellow ring).Sylvan. You say no pressure.
Can you qualify that with more detail?
could be a little bit of chatter from string walking, but again, i wouldnt worry about it personally.Could it be a problem caused by stringwalking?
Good point Sid.
sorry for the poor picture... but here is what i think it is...
if im right, then all that has happened is a little bit of wear and tear, a little bit of work hardening in way and it will be just fine.