Gewindebohrer

Invented in the 1650's in Germany by Elsa von Schleck where it was realised that the German quest for zero defect was lacking a bit in the female climax department and this wind-up device was found to assist in climactic quest

Also see: giggleStick, vibrinator, dasGoedJaZoomZoom

Hilda was slightly disturbed when she discovered her great great great grandmother's Gewindebohrer when she was cleaning out her parent's attic