I'll try that, but I'm usually formal knot impaired.
The extra crossings of the vice versa knot make it a very secure knot that holds even in things like bungee cords and monofilament. My experience is that if a knot holds in fishline it will hold in anything else.
Vice versa
Camping Knot - Vice Versa Knot
The above two links make tieing the knot look harder than it really is. Just lay the two ends parallel to each other, facing in opposite directions. Do a half-hitch in one line, encircling the other. Take the second line and start a figure 8 around the other. Then tuck the two ends into the loops.
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The other knot that I find very useful to attaching a line to the eye of a boltsnap is a simple buntline hitch. Very secure in anything less slippery than monofilament.