Carabiner That Doesn't Get Lost Even in Blackouts — Developed by a Small Factory, Powered Without Electricity. First Sale on Makuake's 7th Project

Plastic molding manufacturer Maruhachi Kasei Inc. (Headquarters: Aichi Prefecture) has developed the **"30% size-up luminous carabiner (D-type/S-type) large size"** as a new product in their "Oboro" series, under their own brand "OUROBOROS," utilizing luminous materials.

This product will begin its pre-order sales on the crowdfunding service "Makuake" starting Monday, April 6, 2026, at 11:55 AM, as their 7th project.

The Value of "Not Getting Lost in the Dark"

The solution to such stress is the **"new option of a luminous carabiner."**

This product stores light and emits it in the dark, ensuring visibility without needing a power source.

* Camping * Mountaineering * Disaster preparedness supplies * Daily key management

It reduces "searching time" in all kinds of situations.

This Time's Evolution Points

"Usability" dramatically improved with a 30% size-up.

By increasing the size by approximately 30% from the conventional model: * Easy to handle even with gloves * Smooth attachment and detachment to luggage * Further improved visibility

It has evolved into a product that is "not only visible but also easy to use."

### Wide Opening! Easier to handle compared to the conventional Oboro S-binah!

The spring opens and closes with light force.