Dissolve sugar in water in glass jar. Add pineapple scraps and rind until jar has 1cm headroom and secure covering material over mouth of jar with rubber band.Place in a dark cupboard or pantry at and allow to ferment for 2-3 weeks, opening container to stir contents daily for aeration.After fermenting time has elapsed, strain contents through a nut milk bag or cheesecloth into sterilised bottles and seal. Vinegar is ready for consumption now, or may be fermented for another week or so or until to desired taste. Store final product in the refrigerator - at room temperature it will continue fermenting.