Based on the best design elements of our popular Chest Plate Harness, the X-Link was created for maximum comfort and ease of use. Featuring EVA chest and back plates, dual SR buckle closures and 2 leash attachment points, this over-head harness is the perfect all-rounder. Instructions - How to Use 1. Disconnect dual side-release buckles. 2. Place harness over dog's head with size indication against dog's chest and light attachment on the dog's back. 3. Reconnect dual side-release buckles and adjust until snug, but not too tight (being able to fit one or two fingers in between the strapping is ideal) Precautions Always check inspect your harness at regular intervals. Replace harness if damaged.