How not to sling launch your boat.
By A Mystery Man Writer
Ask Andrew – Lifting, launching and trailering - Canadian Boating
BOB MAINDELLE: Simple device makes solo boat launching fast, easy
The Lake Erie Marina Launch Ritual - Sail Magazine
The Boat Strap 'Bucket' - Rowing Stories, Features & Interviews
How to Launch a Boat (with Pictures) - wikiHow Life
Launch of new boat slingshots a bollard at high speed. Basque