Fun and easy project you could make in an afternoon this moss stitch bandana with heart ties is beginner friendly with a video tutorial available. The pattern can easily be customized to any size.

The bandana is made from the point expanding outwards to form a triangle, when the shape of the bandana is big enough a crochet edging is added is added to give the piece a more finished edge and the bandana ties are crocheted at the same time as the bandana is made all in one piece with no extra yarn tails.
A free video tutorial for the pattern can be found here
https://www.youtube.com/watch?v=JL34PHF2_kw