I mean, yes, the lace quality is important too. But strictly speaking, not tying a granny knot will improve your results regardless of choice of lace.
"On" brand running shoes have great laces for knot-holding, but they're so thin it's awkward to manipulate them to actually tie the knot in the first place.
"On" brand running shoes have great laces for knot-holding, but they're so thin it's awkward to manipulate them to actually tie the knot in the first place.