<https://armsvault.com/2018/01/doublestar-brimstone-folding-knife/#webpage>
<http://schema.org/description>
"DoubleStar International, a division of DoubleStar Corp, manufacturers of high-quality, US-made AR components, rifles and pistols, is pleased to announce the launch of the Brimstone Folding Knife."
<https://armsvault.com/2018/01/doublestar-brimstone-folding-knife/>