Feb 25, 2026
Wall | Hollywood | Los Angeles
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.

“This is exactly it. It looks clean from a distance, but when you get closer, you can immediately tell you 'can't climb it.'”
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.
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.
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.
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.
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.
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Guides & Insights
Jul 7, 2026
Discover effective anti-climb solutions for fences and walls, from traditional methods to decorative spikes like Ninja Deterrent, enhancing both security and aesthetics.
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Jul 4, 2026
A clear guide to the legality of anti-climb spikes — height, warning signage, and liability — plus a steel vs stainless vs plastic comparison and FAQ. Educational, not legal advice.
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Jul 3, 2026
Who makes Otani Ninja Deterrent (Ninja Deterrent / Saitaniya Co.), how it differs from generic 'ninja deterrent' spikes, what shinobi-gaeshi means, and where to buy authentic Japanese-made products.
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