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.
“We wanted stronger security, but we didn't want it to look aggressive. This raised the deterrence without changing the look of the home.”
Venice | Quiet Back Alley Perimeter
In a quiet residential pocket of Venice, the rear alley-facing perimeter was upgraded with a continuous run of Gothic paired with Classic Short Dual (Black).
Project Context
Back alleys are often low-traffic, low-visibility corridors where an intruder can work unnoticed. This installation addresses that specific risk by eliminating footholds and hook points along the fence cap, effectively shutting down the "starting point" of a climb without introducing a harsh, industrial look.
A continuous, low-profile anti-climb line along the Venice back alley perimeter.
Installation Detail
Mounted along the top edge of a black-stained wood fence, the installation remains understated from the street -- reading as a clean shadow band -- while clearly removing any usable grip points up close.
Gothic curves blend in while making the fence impossible to grip.
Design Philosophy
What the homeowner appreciated most was achieving "a noticeable increase in deterrence with no sacrifice to exterior design." The black finish and low-profile geometry blend into the woodwork, preserving the property's calm, minimal aesthetic while reinforcing the perimeter with intent.
Corner-to-corner coverage leaves no "starting point" for a climb.
Project Snapshot
- Location: Venice (Residential back alley)
- Scope: Continuous anti-climb line along the top of a black wood fence
- Products: Gothic / Classic Short Dual (Black)
- Goal: Reduce alley-side intrusion risk while keeping the exterior visually quiet
A defense line that reads as architecture, not hardware.
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.
Products Used
Product Used in This Project
Size
Type
Material
Finish Color
Price
Price on request
Required length
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Column
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