Mar 23, 2026
Corrugated Metal Side Gate | Arizona
Classic Shinobi Gaeshi black steel security spikes installed on a rustic corrugated metal side gate in Arizona, blending desert aesthetics with anti-climb protection.

Gothic anti-climb spikes mounted on a red-toned wooden privacy fence in Ingleside Terraces, San Francisco, blending security with the existing fence aesthetic.
This project features the installation of Gothic Series by Ninja Deterrent™ atop the wooden side fence in the Ingleside Terraces neighborhood of San Francisco.
The most distinctive feature is the customer's choice of custom finish: both the fence and the Gothic Series are painted in a striking red.
This not only enhances the security performance, but also creates a visually impressive finish which conveys a bold will to the entire exterior.
Continuous installation of Gothic Single Bladed Ninja Deterrent™ on top of a bold red wooden side gate. The finish is unified in the same color.
The line of spikes blends seamlessly with the gate's structure, simultaneously enhancing deterrence effect and design integration.
In the close-up of the crown detail, the heart-shaped design and sharp silhouette appear more aggressive in red, enhancing the psychological deterrence effect.
Ninja Deterrent™ is typically implemented with a stainless steel texture or a powder-coated finish. This case demonstrates how simply changing the color can significantly alter the impression of the security hardware.
This installation on Ingleside Terraces proves that Ninja Deterrent™ can be flexibly adapted to suit the homeowner's aesthetic sense. The red paint transforms the anti-climb spikes from inconspicuous security to security with a statement, creating a strong and impactful security statement.
Written by
Kojiro OtaniFounder of Saitani-Ya Co., Ltd. and creator of the Ninja Deterrent™ brand. Drawing on Japan's tradition of shinobi-gaeshi, he designs and manufactures anti-climb security spikes that pair real deterrence with architectural beauty — writing from first-hand experience in their engineering, production, and real-world installation.
Mar 23, 2026
Classic Shinobi Gaeshi black steel security spikes installed on a rustic corrugated metal side gate in Arizona, blending desert aesthetics with anti-climb protection.
Mar 21, 2026
A front gate in Westwood, Los Angeles received a discreet anti-climb upgrade using Classic Short (Black) to reduce climb-over risk while preserving a premium modern look.
Mar 21, 2026
A Los Angeles residential garden fence fitted with Classic Short Dual (Black) anti-climb spikes that integrate naturally with desert landscaping and wood fencing.
Mar 21, 2026
A quiet residential perimeter in Venice upgraded with Gothic and Classic Short Dual anti-climb spikes along a black wood fence, blending security seamlessly into the neighborhood aesthetic.
Feb 25, 2026
Continuous anti-climb spike installation on a perimeter wall near W Sunset Blvd in Hollywood, Los Angeles, maintaining a clean architectural look while securing the property.
Feb 23, 2026
A Ninja Deterrent project showcasing anti-climb security spikes installed at a entry perimeter upgradesherman oaks location.
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Discover Shinobi Gaeshi (忍び返し), traditional Japanese anti-climb spikes. Learn its history, meaning, modern applications, and how Ninja Deterrent offers decorative security solutions.
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