The Kiwi Anchor Rider is a concentrated, heavy weight that is simply twisted on after you have anchored securely, to change the angle of pull on the anchor, to help it dig in.  It almost DOUBLES the holding power and reduces the anchor's working load by 50%. The forces on the boat have to overcome and lift the weight, before exerting any pressure on the anchor. It is much more effective than letting out even more rope or chain when it blows.  "When scuba diving in foul ground we let a generous amount of chain out, deploy our Kiwi Anchor Rider and dive down the anchor chain to check the holding power. Our observation in a variety of sea conditions is we have observed NO WEIGHT AT ALL PULLING ON OUR DELTA ANCHOR. With the motion of the boat having to contend with the anchor weight and chain, we have never witnessed our Delta anchor working"  Merv Dobbs SY Meridian Passage 45ft Whiting

• Increases the catenary. The Kiwi Anchor Rider changes the angle of pull on the anchor to horizontal, this keeps more chain and the anchor shank on the seabed and helps the anchor dig in.  Read what the Royal Navy says about why anchors drag  and how important it is to keep the shank of the anchor on the seabed.
  If you have an all chain anchoring system read here why using an anchor weight is even more effective than letting out more chain when it starts to blow.

• Reduces the swing and the chance of the anchor rolling out and possibly dragging. Reduced swing is also especially beneficial in crowded bays and for high winded vessels that tend to 'sail around' at anchor. The Kiwi Anchor Rider creates incredible drag resistance by holding the chain into the mud or sand bottom. The pivot point is from where the anchor weight is hanging, rather than from the anchor. 
  'it reduces the swing by about 50% on a 75 ton, 50ft, steel Cape Horn trawler'  says Ben Hines 

• Reduces the boat’s overall motion. It acts as a spring or shock absorber to dampen all sudden actions on the boat that are normally transmitted to the anchor. It especially dampens the fore-aft see-saw motion sometimes felt in surge. These actions lift the chain and the shank of the anchor and are the main reasons an anchor drags. Life on board is much more comfortable and the anchor is less likely to be pulled out. 

• Stops snubbing each side of the swing in wind gusts, when the bow lifts to the sea and the chain is pulled taut with a jerk. This adds to your cruising comfort and also reduces the risk of the anchor being dislodged. 
  In extreme weather, a 'snubber', which reduces the noise the chain makes over the bow roller being transmitted to the boat, can be put on after setting your Kiwi Anchor Rider.

• Keeps the rope or chain warp almost vertical and out of the way of other boats moving about in the bay, especially at night.

• do you really want to be in the dinghy or on the bow using spanners and shackles when it is blowing a gale and the boat is pitching and rolling?
• should you really risk using your second anchor in case of further difficulties?

These purpose designed weights can be simply twisted on or off in less than a minute- no tools are required. Speed is really important if you are not confident your anchor will hold in windy conditions.
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