A simple remedy for the problem of earwigs in the ear,

take an old Apple and cut it into two pieces and lay on piece to the eare and lie down open that side and the earwig will come out to the Apple

This comes from a manuscript course in herbalism dating from the early 18th century. This volume is held by the Royal College of Physicians & Surgeons of Glasgow
(ref: RCPSG 20/3/1)