We can't offer suggestions without seeing several good pictures.

The bark get too tight on live oak trunk hawkbill knife slit bark on trunk it double in size in one year slit up down trunk one time on young tree three time on older tree. When get bigger trim tree so walk under tree as grow get perryer.

Why fix it if it ain't broken? Do you really want to mess around with a ladder and a chainsaw? Do you want to risk stunting the tree or shortening its life? Let it be.

Your live oak is a baby and is still developing. Leave it alone.

Live oaks are blessed with a wonderful natural shape. Trust me, you don't need to do a thing!