and by "some", she'd mean "the more, the better" because while there's kind of a minimum need of enough to tie it to a tree and reach the ground on the other side of some stuff, she'd like to have enough to make a couple knots in it, to make climbing it back up easier. More than that, to turn it into a ladder. past that, to turn it into a big ladder,
....though that's probably drawn a bit bigger than it currently is....