Some usefull knots for field day or other things

Knots are usefull in the day by day using of various things for camping, hiking, field days or who knows what and where.

I will put them here for my own reminder (also for anyone interested).

1. Lanyard for tools and portables: 

2. Cowboy lasso

3.  Line tensioners

4. Various 1

5. Various 2