HK-1 Knife: Limited amount The HK-1 knife, crafted exclusively for Härkila Pro Hunter Society members, is back in a limited quantity. Created in partnership with Emberleaf Workshops, this knife is built for a lifetime in the wild, combining unmatched durability with timeless design. Engineered for serious hunters, the HK-1 features cryo-treated AEB-L stainless steel and comes with a custom leather sheath. Become a member of the Härkila Pro Hunter Society today for a chance to secure your own HK-