... sew-on stone &glass flat back stone. Always being used for fittings of jewelry, shoes, garment, bags, necklace, nail ... supply silver or golden claw to clip stone together for sew easily.2>. Crystal sew-on stone/clothing ... itself on stone directly , no need any claw for sewing.We can make them with 26 different colors ... If u ask, we can dig hole on stone for sewing, It’s up to u. Through 10years management ...