That's not foxtailing from what I can see in those pictures. That's just pistils forming buds. Below is an article on fox tailing.... https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.royalqueenseeds.com/blog-how-to-spot-and-handle-cannabis-foxtails-n638&ved=2ahUKEwi86tDYufDuAhWRYsAKHWEcBBEQFjAAegQIARAB&usg=AOvVaw136vEAshCr4JxMaSTixJt9&cshid=1613548834457