Square Knot
https://www.youtube.com/watch?v=LOAxiQk8wj8
Bowline
https://www.youtube.com/watch?v=CtrtpS2f8u8
Girth Hitch
https://www.youtube.com/watch?v=9Z8-y0Ag8vo
Figure 8 knot
https://www.youtube.com/watch?v=GFlwrvggas0
Clove Hitch
https://www.youtube.com/watch?v=bUBIvWf-Udc
Taught line hitch
https://www.youtube.com/watch?v=H4rbBHp1QXo
Double Fisherman
https://www.youtube.com/watch?v=YHUv-oOMwRA