There are various other probing procedures that need practice. The apparently simple task of micro-vacuuming an ear to remove wax can be painful in inexperienced hands. Think of what happens when a vacuum cleaner sucks up a loose carpet - then think of an eardrum.
It is always best to get such out-patient procedures scheduled for April to June. By then the previous August's intake of new doctors have had enough practice with audio feedback from patients.