Within the adult industry, glass novelties (including those sometimes featured in high-end erotic photography like Marcus's) are valued for their: Material Properties:
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Unlike some porous silicones or plastics, borosilicate glass is 100% non-porous. This prevents the buildup of bacteria and mold, making it one of the most hygienic options available. Within the adult industry, glass novelties (including those
References to this specific topic appear in anecdotal accounts of his studio practices. According to accounts shared on and in the book You'll Never Make Love in this Town Again Within the adult industry