Hi, welcome to another H2 by myself Rob Allen. Today we're going to discuss monofilament and danyma as a cord. Monofilament we've done these tests in the past with a crimp and we're getting about 120kg of brake on a crimp. Danyma is said to be much greater, 250, 290 depends on where you look. The problem with danyma when you're time not, it reduces brake strain quite significantly. We'll demonstrate that now on our brake machine. With danyma, especially this version we're now using, we've had several versions over the years, it's quite a lot stiffer, easier to handle. The problem making it so tight as it does reduce its braking strain to some degree. It's still stronger than mono and easy to turn knots. So I'm going to demonstrate now the knots we use on our spear line to show you where it breaks. We set up between shackles, there's our cord, there's a knot on either side simulating what you would do when you tie a knot onto a spear and how we're going to start loading it. The knots will set initially. Slowly increasing. Just over 40. The line itself should be 250 but knots reduce its strength, quite significantly. Up to 45% of the brake strain is lost in a knot. If you're physically soared it or able to splice it, you would get a much higher brake strain. The danyma is higher brake strain and the other advantage is it's much better around reef. It's much less likely to cut off. It doesn't mean it won't cut off but it's way tougher than mono around sharp bonnacles and any other shell environment. Another advantage with the danyma when you're on a trip, it's much easy to just carry spear danyma and it's very easy to reach out the line. So there you have it. This is how we test the mono and the danyma and you can choose which one you like. The odd bondages and disadvantages as you can see. I hope you enjoyed the video and join us for the next one. As you can see on the board here we have a large structure that's getting ready to do some barrel braking.