The knot I use most frequently is the taut-line hitch. This is an adjustable loop knot that holds its position under tension. It works well with the trucker's

The knot I use most frequently is the taut-line hitch. This is an adjustable loop knot that holds its position under tension. It works well with the trucker's hitch or to set up tents and other temporary tension rigging. For joining two lines, I like the Zeppelin hitch.