How do I make a slackline anchor?

Related questions

1. How big is a tree slackline?
2. Why do tightrope walkers carry a pole?
3. When did slacklining start?
4. Do slacklines damage trees?
5. Why does a long pole help a tightrope?
6. What is a professional Slackliner?
7. How wide should a slackline be?
8. What is high lining?
9. How does a slackline work?
10. How long does it take to learn to slackline?

Tags

1. #plank
2. #similar
3. #plywood
4. #boxes
5. #there
6. #heavy
7. #beach
8. #other
9. #great
10. #repeat
11. #right
12. #example
13. #frames
14. #session
15. #height
16. #attach
17. #things
18. #short
19. #anchor
20. #slackline