I built a few tassels for a sporran, and because the tassels went in every direction I tied them together with a bit of fine black thread. This kept them together and allowed me to cut them off perfectly even.
I left the thread in place and it is hardly noticable.
“Live each season as it passes; breathe the air, taste the fruit, drink the drink, and resign yourself to the influences of each.” H.D. Thoreau