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.
“This is exactly it. It looks clean from a distance, but when you get closer, you can immediately tell you 'can't climb it.'”
Venice Alley Residence | Venice | Los Angeles
Quiet alleys often become the easiest points of entry. In a tranquil residential area of Venice, the top of a heavy iron fence facing a back alley was reinforced with a seamlessly continuous installation of our Modern Series.
Linear design and modern appearance perfectly complements the fence's sharp geometry.
The iron fence on the alley side is protected with a continuous line of Ninja Deterrent's Modern series, maintaining a clean and architecturally pleasing look.
Concept: Transforming the Fence into a Line of Defense.
This fence originally had a strong rhythm of vertical slits. By adding our Modern series' clean and sharp look, the design remains minimal while drastically increasing the difficulty of climbing. From a distance, it appears as a thin line of shadow, but closer up, it's clear that it eliminates climbing access points.
Installation Highlights - Discreet Appearance, Strong Effect
- Consistent line of installation prevents the exposure of a starting point for climbing over.
- Spikes align with the fence's and architecture's symmetrical lines.
- Minimal visual disruption profile preserves the exterior appearance.
- From the alley side, it simply conveys the message "Don't even try it"
Why Modern Series Works Here
Back fences and alleys are often out of sight and can easily become points of intrusion. Modern Series is designed to deter the first move, making it difficult to place hands and feet on the top edge to gain any leverage. Continuous alignment prevents any weak-points.
Project Overview
- Location: Venice, Los Angeles, CA (Quiet residential alley)
- Scope: Continuous installation on the top edge of an iron fence
- Product: Modern Series
- Objective: To improve anti-climb performance while maintaining clean, linear aesthetics.
- Result: The minimal silhouette look blends in with the strong fence shape and modern architecture. The long, unbroken line transforms the top edge into an intrusion-unfriendly edge.
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
Material
Finish Color
Unit Price / 1000mm
$300.00
Quantity
Subtotal
$300.00
Free worldwide shipping· Delivery in 5–10 business days· Customs/import duties may apply
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