Self Defense and Combat Expert Doug Marcaida Releases Knife Combat Training DVD with

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Martial arts and self-defense specialist Doug Marcaida has developed a new knife defense training DVD with Featuring the FOX 599 series of Karambit combat knives, the DVD will help beginners and experts alike to train on knife combat and self-defense using the FOX Karambit combat knife.

Doug Marcaida Training DVD

Doug Marcaida Training DVD is excited to announce the availability of a new close quarter combat training DVD through’s website. The videos, featuring martial arts and hand-to-hand weapons expert Doug Marcaida, will teach viewers how to use the FOX 599 series of knives for combat and self-defense.

Doug Marcaida is a weapons expert, martial arts specialist, and law enforcement consultant with more than 20 years of experience in the Filipino Martial Arts of Kali, which historically focused on sword and stick fighting. Marcaida is the host of “By the Edge and “Knife vs. Gun” series of combat training and instructional videos on YouTube.

The video series trains viewers on knife combat techniques, and uses a training number system based on a clock face, making it easy for viewers to follow along. The videos deconstruct several self-defense and martial arts techniques using the Karambit series of combat knives. All training exercises and techniques can be performed at home with the Karambit training knife.

The videos demonstrate live use of the FOX 599 BFO Trainer Karambit Knife and the FOX 599 Karambit Folding Knife, and were co-designed by FOX Knives, INC. and parent company, ReNu Tech Solutions, LLC. The Karambit line of knives were inspired by both military combat and ancient Indonesian curved weapons, and are safe and legal for military and civilian use. The training knives can be used for safe practice within the home and as a non-lethal weapon, and the folding knives can be used for live combat and self-defense. The knives employ the patented Emerson Waved Feature, which allows the user to deploy the knife blade at lightning speed with only one hand. The size of the knife is perfect for targeting the nerves and joints of an attacker, which Marcaida demonstrates in his videos.

The training DVD and FOX knives are available exclusively through The DVD is only $49.95 and can be ordered here: For more information on FOX’s line of knives, visit

About ReNu Tech Solutions and

ReNu Tech Solutions, LLC represents FOX Knives USA/Italy and is the exclusive home of the Close Quarter Combative 599 FOX Karambit Knife. Since November 2010, has been the official national reseller of FOX Karambit Folding Knives including, Models #478, #479, #479T, #480, and more recently the only national Model #599 FOX Karambit G10 Knife. represents FOX Knives USA/Italy as their only national reseller of 599 FOX Karambit knife.

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Lad Mandiola
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