Alpine Butterfly bend

The Alpine Butterfly bend is a knot that can be used to tie two ends of rope together. Its is a secure and stable knot. The Alpine Butterfly bend is derived from the Alpine Butterfly Loop. The Alpine Butterfly bend is a non jamming knot that means it's relatively easy to untie the Alpine Butterfly Bend.

[@timfieldsend816]

How much is "enough" ?

[@WoodenShoesHomestead]

I suppose you are referring to the tail end sticking out of the knot? I usually go with this rule of thumb. More than a fist length but less than two.