How to slackline: 1. Acquire $20. 2. Acquire transportation. 3. Travel to nearest hardware store. 4. Purchase longest 3in webbing, typically called a tiedown. 5. Purchase two healthy oak saplings. 6. Travel home. 7. Plant said saplings a distance from each other slightly shorter than your tiedown length. 8. Care for said saplings, water, fertillize daily. 9. Repeat #8 for a minimum of 20 years. 10. Attach tiedown to both trees. 11. Stand on your own brand new homemade slackline!