Safaripal Fire Starter Buckle Flint Buckle Whistle Buckle Combo Paracord Survival Side Release Buckle Supplies The Must-Have Buckle for Making Your Own Paracord Survival Bracelet Must-Have Survival Tool for Outdoor Adventure. Make Your Own Ultimate Survival Bracelet Fire Starter Buckle with Whistle Flint on one side, striker/scraper on the other side Very Loud Whistle Buckle to alert others you need help No one plans to get lost. This survival buckle are on your wrist all the times for emergencies.