Designed to loosen up bound roots for transplanting and repotting, Piginor's Root Hook is used throughout the garden.

ROOT PRUNING AND REPOTTING - Prairie State Bonsai Society

Root bound plants - 2 ways to loosen the roots plus what NEVER to do!

3 Easy Steps for Repotting Root-Bound Plants for More Indoor Greenery

Pacific Horticulture Rootball Treatment for Optimal Tree Growth

Repotting Basics UGA Cooperative Extension

USA Blacksmith-Forged Weeding Tools Collection

How to Identify and Fix a Root-Bound Plant

How do I prune the roots of a rootbound plant? - Gardening & Landscaping Stack Exchange

Teasing the Rootball of Plants: Why and How to Do It