Lightweight and strong – This is a great addition to any kitchen, boat, or fishing tackle. A great tool for a multitude of uses. Ikejime (活け締め) or Ikijime (活き締め) is a method of slaughtering fish to maintain the quality of its meat.
https://www.amazon.com/IKEJIME-Ikijime-IKE-SPIKE-Stainless-Steel/dp/B07F9XLNM3