Teufelberger K1 Keeper Lanyard Slack Management System

Designed for UK tree surgeons, arborists and work-at-height professionals who need to keep lanyard dash neat, safe and out of the way. The Teufelberger K1 Keeper is a dedicated slack-management device for lanyard lines (static or semi-static) that allows you to consolidate excess line in a single pull, minimise tangles and maintain cleaner working positions in the canopy. Built for daily use, the system mounts quickly (tool-free installation) and supports ropes up to 13.5 mm diameter — helping reduce wasted time managing free-hanging tail lines and improving efficiency on-site. 

Key Features & Benefits

• Three-pulley design for effective slack gathering:
• Tool-free installation on most climbing harnesses:
• Constructed from industrial-grade Nylon 6, aluminium & stainless-steel components:
• Compact size (150 × 80 mm) and lightweight (~120 g):
• Compatible with ropes and lanyards up to 13.5 mm diameter:
• Helps maintain clean, efficient body positioning & avoid tangles:
• Not PPE-rated for fall arrest — dedicated to slack management only:

Technical Specifications

Why Choose This System?

When you’re working aloft as an arborist or tree surgeon, loose lanyard tails and excess line can hinder movement, get caught in gear, or slow you down. The Teufelberger K1 Keeper offers a smart solution — gathering slack neatly, reducing avalanches of line and letting you focus on climbing, rigging or pruning. Mounting easily to your harness, its compact size and robust build endure demanding site conditions while preserving your body mechanics and gear workflow. Ideal for professionals and advanced domestic users alike who value efficiency, organisation and safety in tree-work operations.