These are pretty basic knots but I believe they are the last two that needs to be covered. First we have the "TRUCKERS HITCH". This is a useful tool when you need to cinch something down good and tight. I have used it a lot to tighten down tent flys but also furniture or other loads on the top of my car. Don't want that couch flying off at the wrong moment.
Next we have the "WATER KNOT". This simple knot is great for joining the ends to flat webbing. This would be used when your rappelling and leave some material behind. A word of caution these knots can get tight but watch that the ends