https://www.prehistoriccrafts.co.uk/event-details/introduction-to-flint-knapping-st-margrets-bay-kent 2026-05-23 https://static.wixstatic.com/media/3aabbe_d3604eaeedd74d2cb2650aff2c416561~mv2.jpg Introduction to Flint Knapping, St Margret's Bay, Kent