7/24/2025
Japanese Celebrity Izumi Mori | Roof Ornament | Tokyo
A custom decorative roof ornament project for Japanese celebrity Izumi Mori in Tokyo, showcasing Ninja Deterrent aesthetic security design.
Where Security Meets Japanese Aesthetic
View ProductAbout us
Ninja Deterrent™
In Japan, security spikes are called "Shinobi Gaeshi 忍び返し", which means literally "Ninja Deterrent™" in Japanese. The origin of "Shinobi Gaeshi" dates back to the era of Ninjas "忍". These spikes were used to prevent Ninjas from entering buildings and attacking the occupants…
Solutions by Application
Wall & Fence Security
Traditional Shinobi Gaeshi for perimeter walls, tiled rooftops, and boundary fences. The origin of ninja deterrence — proven over centuries of Japanese architecture.
Gutter & Pipe Protection
Prevent climbing via rain gutters, downpipes, and exposed plumbing. Specially shaped brackets secure spikes around cylindrical surfaces.
Animal Deterrent
Keep raccoons, monkeys, and other wildlife from scaling walls and entering properties. Humane yet effective physical barrier solutions.
Bird Deterrent
Protect ledges, beams, and roof edges from pigeons and other birds. Stainless steel spike strips prevent roosting and nesting damage.
Products
Full Custom
Need a bespoke solution?
Our standard series not quite right? We design and manufacture fully custom anti-climb systems tailored to your exact specifications — unique profiles, dimensions, materials, and finishes.
Custom blade profiles & dimensions
Any material: SUS304, brass, aluminum, galvanized steel
Color matching to your architecture
Volume pricing for large-scale projects
SPEC
Material SUS304 / AL5052
Tolerance ±0.1mm
Projects
2/25/2026
Hollywood | Near W Sunset Blvd | 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.
2/13/2026
Family Side Gate | Bellerose, Jamaica (Queens, NY)
Anti-climb security spikes installed on a white family side gate in Bellerose, Jamaica, Queens, NY, blending deterrence with a clean residential aesthetic.
2/11/2026
Classic Brick Side Gate | Flushing, New York
Anti-climb security spikes installed on a classic brick side gate in Flushing, New York, harmonizing traditional architecture with modern security.
2/5/2026
Black Entrance Gate | Miami Beach
Anti-climb security spikes installed on a black entrance gate in Miami Beach, combining elegant design with robust security.
2/5/2026
Property Perimeter | Kendall, Miami, FL
Anti-climb security spikes installed along the full perimeter of a residential property in Kendall, Miami, FL, combining Gothic-style deterrent design with suburban aesthetics.
Customer Reviews
★★★★★
HHouzz"High quality, well crafted, sturdy product. Excellent customer service and fast shipping. I would recommend this to others with security concerns."
Heidi Wiggins
2025-03-15
★★★★★
EEtsy"Very high quality security device; shipping was fast. Easy to install as well. I would buy this again if needed."
Paul
2023-08-14
★★★★★
GGoogle"Bought a lot of security spikes from here via Etsy, and the result is great - a secure back yard which looks good too."
Maff Bowers
2023-03-23
★★★★★
HHouzz"This is an excellent product made to a high quality and it was super fast delivery. Definitely recommend as security/deterrent."
Justin
2022-04-28
★★★★★
EEtsy"Fantastic high-quality product. Ordered a ton more. Highly recommend if you're looking to secure an area for people or animals."
Robert
2021-06-02
★★★★★
EEtsy"These spikes are deceiving because they're so elegant. They are a very effective deterrent; worth the money."
Myriam
2020-12-25
Contact us
Questions?
For general inquiries about our products or consultation regarding installation, please contact us.
Book a meeting?
Schedule a free online consultation with our team. Pick a time that works for you — available slots are shown in your local time zone.