Clearspring organic balsamic vinegar is produced by the mengazzoli family in modena using the centuries old traditional process this involves painstakingly selecting the finest organic trebbiano grapes on the vine before gently simmering the juice to concentrate its essence blending it with their finest wine vinegar and ageing the resulting mixture in wooden kegs friendly rivalry exists between different producers in the choice of woods used to perfect the method of ageing balsamic vinegar