The TOPS Land Attack keeps the trench knife’s striking guard and removes the closed loop that made the old pattern a trap. Its knuckle duster sits open, so a hand can release the knife instead of going with it.
TOPS president Leo Espinoza designed it in Idaho, and the starting point was an air bubble trapped under his phone screen protector. He photographed the bubble’s contour and drew the guard from that curve at his drafting board. The whole design serves one idea: hit, then let go.
TOPS sells the Land Attack direct, and its C.U.T. 4.0 is the maker’s ring-grip utility blade on the Amazon route.

TOPS C.U.T. 4.0
Full tang fixed blade · Black Traction Coating · Black Kydex sheath
Price: $169.95
Where to buy: Buy on Amazon
The guard stays open so the hand can leave
The pattern dates to the First World War, when trench fighting put a premium on a blade that struck with the fist as well as cut. The closed guard was that era’s answer.

A trench knife closes its guard into a D, and TOPS names the cost plainly: a closed loop can break a hand or bind it to the weapon when an opponent twists the blade. The Land Attack splits that loop open. Its duster arm reaches forward under the little finger instead of circling back toward the pommel, and the bare steel sits where a striking fist lands first.
TOPS positions the duster between the ring finger and the pinky in a hammer grip, reinforcing the outer knuckles that take barehand impacts. The hand can also drop the knife and move. No loop closes over the fingers, and the striking face never hides under a scale.
A quarter inch of 1095 carries the weight
The blade is 4.63 inches of 1095 carbon steel, hardened to RC 56-58 and cut from stock a full quarter inch thick. The cutting edge runs 4.50 inches, and the whole knife stretches 8.90 inches from tip to pommel. It weighs 11.4 ounces, and most of that weight sits in the slab.

TOPS credits the quarter-inch stock with structural strength and weight behind every blow, plus easy handling of lateral stress in hard use. Nearly the whole blade is edge. Only a short stub at the handle stays unsharpened.
TOPS coats the steel in its Black Traction Coating, and the maker states the finish seals the carbon steel against rust while killing glare. Carbon steel still asks for care after hard use. TOPS tells buyers to wipe the blade clean, dry it fully and add a light coat of oil.
| Spec | Detail |
|---|---|
| Knife type | Fixed Blade |
| Overall length | 8.90 in |
| Blade length | 4.63 in |
| Cutting edge | 4.50 in |
| Blade thickness | 0.250 in |
| Blade steel | 1095 RC 56-58 |
| Blade finish | Black Traction Coating |
| Handle style | Diamond tread |
| Weight | 11.4 oz |
| Weight with sheath | 14.2 oz |
| Sheath | Black Kydex with rotating spring steel clip |
| Designer | Leo Espinoza |
| SKU | LATCK-01 |
The sheath sets the grip before the draw
The handle wears the maker’s Diamond tread pattern, cut to hold on in forward and reverse grips and sized for hands up to XL. TOPS molds the black Kydex sheath so a full grip lands on the handle before the blade clears the sheath mouth. Retention adjusts at a screw, and the clip rotates on its spring steel mount.

TOPS leaves the duster bare in both grips, so the striking surface stays steel in a forward or reverse hold. The tread does the gripping. The steel does the hitting.
Sheathed, the package weighs 14.2 ounces, and the whole rig rides close against the belt with the duster clear of the sheath. That clearance counts on the draw. A snagged guard ruins the first grip. The sheath mouth is molded around that first grip, so the draw starts with the hand already set on the handle.
The price, the legal catch and the call
TOPS sells the Land Attack direct at $240, down from a $300 regular price, and serrations or a camo finish are free options on the order page. The knife is made in Idaho, and the Kydex sheath comes in the box. One catch rides along: the maker warns that the integral knuckle duster may not be legal to carry in every jurisdiction, so a buyer checks local law first.

It’s available to order now, direct from TOPS.
The Fieldcraft covers the second Amazon route, a full tang bushcraft blade from the same maker.

TOPS Fieldcraft Brothers of Bushcraft
Full tang fixed blade · Kydex sheath · Brothers of Bushcraft design
Price: $182.18
Where to buy: Buy on Amazon
Buy the Land Attack at $240 if you want trench knife striking weight in a guard your hand can actually leave. Skip it if your carry laws ban knuckle dusters outright, because no discount fixes a knife you can’t legally carry.