I use spectra fishline for a lot of stuff- it is a little picky on the knots, but mark which ones are for it on your reference card and you'll remember. It does take bowlines perfectly fine, and if you can only learn two knots, the bowline and the shoelace are the two I'd look at.
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.