El tejido es con dos agujas, pero las imágenes dan una buena idea para hacer un bolero con un rectángulo. Yeah, that's what I was gonna say. actually this can be done knitting, crochet, material as it is just a rectangle sewn to make sleeves!
Style with versatile fabric - makes ponchos/shrugs/scarves/jackets/shirts. Poncho: Put head through center to wear at an angle, v at front, or sideways. Shirt: Wrap back & snap in front, then drape neck over snaps.