■ Palm Brace — Knuckle Keychain
A single-finger knuckle keychain The single-finger layout provides a stable, natural grip. Weighs 70g.
■ Details
- Single-Finger frame — Stable grip layout for controlled handling
- Dual-Material Engineering
Zinc alloy core ensures structural integrity during strikes.
- Plastic elements enhance grip comfort and shock absorption.
- Reinforced Handle Design
10.6mm thickness at the grip maximizes impact distribution while minimizing hand strain.
- Ultra-Compact Profile
5.5cm × 3.5cm footprint enables discrete carry and rapid deployment.
- 10.6mm handle: Balances force transmission (≥300N impact resistance) and ergonomics (avoids palm pressure points1).
Weight-to-Size Ratio
■ Use & Carry
Suitable for everyday carry and personal safety.
■ Specs
| Material | Zinc alloy |
| Weight | 70 g / 2.5 oz |
| Length | 5.5cm |
| Width | 3.5cm |
| Thickness | 11 mm / 0.4 in |
| Core Function | Single-finger knuckle guard + Palm brace |









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