YJ GIS Industrial Limited

For outdoor enthusiasts, a handy knife not only needs to be sharp and durable, but also "suit the situation" - the original handle might slip and the original sheath might be heavy. In fact, it only takes half an hour to make two "minor modifications": wrap the handle with an umbrella cord and replace the heavier original sheath with a lighter one. This will make the old knife焕发 new vitality, whether for hiking camping or mountain exploration, it will be more convenient and reliable. These modifications are not "formalities", but precise solutions to outdoor pain points, such as preventing slipping in rainy weather, not shaking when carried, and providing additional protection in emergencies.

First: Wrap the handle with an umbrella cord - 3 core advantages, anti-slip, emergency, and adjusting grip sensation

Common problems with the original handle： plastic handles slip when sweaty， wooden handles become uncomfortable after long use， and metal handles freeze when cold. Wrapping with an umbrella cord can solve these problems at once and even add an "emergency function".

1. Why wrap with an umbrella cord？ 3 essential solutions for outdoor scenarios

• Anti-slip and moisture-proof： When hiking in the wild， hands are likely to get wet and sweaty. The smooth original handle is prone to slipping， while the textured surface of the umbrella cord can increase friction， even when wet， you can hold the knife steadily， cutting vegetables or splitting firewood without losing grip；

• Emergency multi-purpose： Choose "7-core nylon umbrella cord" (with a load capacity of approximately 200 kilograms)， in case of emergencies， it can be disassembled - tying tent poles， bundling broken backpack straps， temporarily fixing an injured ankle， or even as a simple clothesline. One umbrella cord is equivalent to multiple tools；

• Adjusting grip sensation： Adjust the thickness of the cord according to your hand shape， and wrap a "non-slip protrusion" at the front end of the handle， making it more comfortable to hold the knife， and not tiring after long use.

2. Practical steps： 4 steps to wrap an "unslippery and non-sliding" umbrella cord handle

• Materials： 10-meter-long 7-core nylon umbrella cord (choose a dark and stain-resistant model， such as military green or black)， scissors， lighter (for melting the end)；

• Initial fixation： First， make a "dead knot" at the end of the handle， melt the end of the cord with the lighter and press it onto the knot (to avoid looseness)， then wrap from the end to the middle of the handle. Each wrap must be "close to the previous one" without gaps (to prevent loosening later)；

• Midway adjustment： When wrapping to the middle of the handle， if you want to increase anti-slip properties， you can cross-wrap 1-2 times (forming "cross patterns")， then continue to wrap towards the front end of the handle， ensuring that the entire grip area is covered and the thickness is uniform；

• Finishing touch： When wrapping to the front end of the handle， make a "live knot" for fixation， cut the excess cord to 2 centimeters long， and melt and press it onto the knot to avoid catching on clothes - the entire process takes about 20 minutes. Test by pinching it tightly to ensure it is not loose or uncomfortable - it is qualified if it does not loosen or hurt your hand.

3. Avoiding pitfalls： Don't make these 2 mistakes， otherwise it will get worse the more you use it

• Don't choose "thin-core umbrella cord" (such as 3-core)： Insufficient load-bearing capacity， poor anti-slip effect， prone to breaking in emergency situations， prioritize 7-core；

• Don't wrap too loosely or too tightly： Too loose will cause the cord to slide during use， too tight will make the grip feel too hard， the tension should be "easy to insert a finger"；

Second： Replace the sheath - say goodbye to the original "heavy model"， adapt to outdoor carrying scenarios

Common problems with the original sheath： Plastic sheaths are too hard and uncomfortable when wearing on the waist， leather sheaths become heavier and moldy when exposed to water， and the built-in hooks are not secure. By replacing with "K sheath (glass fiber reinforced nylon sheath)" or "lightweight leather sheath"， carrying will be lighter， and it will be easier to take the knife， suitable for different outdoor scenarios (hiking on the waist， camping with the backpack)；

1. Select the right sheath： Choose 2 mainstream models based on the scenario， avoid "overly ornate" models

• K sheath (recommended scenarios： hiking， camping， frequent carrying)： Advantages: Lightweight (about 50 grams, 30% lighter than the original plastic sheath), shock-resistant and scratch-resistant (won't deform even when dropped on a stone), waterproof and non-moldy (just wipe dry after using in rainy weather), and customizable lanyard options - choose "wrist strap" to attach to the side of the belt, or "backpack strap" to fix to the side pocket of the backpack, without occupying internal space.

Compatible with knives: Straight knives, long folding knives (select a K sheath that matches the length of the blade, with an error of no more than 1 centimeter, to avoid blade shaking).

• Lightweight leather sheath (recommended scenarios: short-term camping, daily EDC):

Advantages: Good texture, protects the blade from scratches, choose "tanned leather" material (30% thinner than ordinary leather sheaths), lightweight and becomes more comfortable to fit the blade as you use it, and can sew a small pouch on the sheath to store a fire starter or mini sharpening stone for "one-piece carrying of sheath and accessory".

Avoid pitfalls: Don't choose "thick retro leather sheaths" (weight over 100 grams), as they are too heavy for outdoor carrying, and will harden when wet, making it difficult to retrieve the knife.

2. Changing the knife sheath: 3 steps to do it without professional tools

• Step 1: Confirm size: Measure the "blade length and width" of the knife, for example, if the blade is 15 centimeters long and 3 centimeters wide, then choose a sheath with an inner length of 15.5 centimeters and an inner width of 3.2 centimeters (leaving a 0.5 centimeter margin for easy insertion and removal), to avoid buying too small a sheath that won't fit the knife or too large a sheath that will shake.

• Step 2: Adjust the lanyard: The K sheath comes with adjustable lanyards, adjust the length according to your waist size - when wearing it around the waist, ensure the sheath is parallel to the waist, and when retrieving the knife, your arm can naturally hang down to hold the handle without bending over; when placing it in the backpack, use the Molle strap on the sheath to pass through the hook on the side pocket of the backpack, and it won't shake when fixed.

• Step 3: Test compatibility: Insert the knife into the new sheath, pull and push it 3-5 times, feel if it is smooth (too loose will fall out, too tight will be difficult to pull out), if too tight, apply a little wax on the sheath (lubricating without damaging the blade), if too loose, apply a thin layer of sponge on the sheath (increasing friction).

3. Practical advantages in outdoor scenarios: 2 improvements in usability after modification

• When hiking: The K sheath is attached to the side of the waist, lighter than the original plastic sheath, not uncomfortable when walking, and can be retrieved in 1 second when needed (such as clearing a blocked branch), without having to open the backpack;

• When camping in the rain: After replacing the leather sheath with the K sheath, even if soaked by rain, it won't mold like the original leather sheath, and can be used after drying, and the blade won't rust due to moisture inside the sheath.

After modification, some reminders for maintenance: Care to make the modification more durable

• For the knife handle wrapped with umbrella string: After returning from outdoor activities, use a damp cloth to wipe off the dirt on the surface, if it is stained with oil, you can dip in a small amount of detergent for wiping, dry it before storing, to avoid mold on the umbrella string;

• For the replaced knife sheath: If there are scratches on the K sheath after long use, gently sand with fine sandpaper; for the lightweight leather sheath, apply貂 oil once a month (to prevent cracking)， store it in a dry place when not in use， to avoid direct sunlight.