1
the existence of knots is one of the signs that you may need a trim. so staying on top of your trims is one of the best ways to control the occurrence of single strand knots!
2
boost the moisture to reduce knots: deep condition, layer with a good leave-in & seal with an oil or butter. pay special attention to your ends since single strand knots often show up there.
3
the curlier the strands, the better chance they'll create knots if the hair is worn loosely. protective styles that tuck away your ends can help keep single strand knots at bay.