Amazon.com: WHITE MOUNTAIN edible Chalk chunks (lump) natural for eating (food), 1 lb (450 g) : Grocery & Gourmet Food
White Mountain Chalk - Etsy
White mountain chalk eating | turkestan clay eating | Volokonovka clay paste eating|chalk with paste - YouTube
Chalkovsky Premium Edible Chalk - Natural Chalk for Eating - Crunchy Belgorod Chalk Chunks - Russian Organic Chalk for Bone Strength - Zero Additives, No Impurities - White 7oz (200g)