Martha Graeff, before A Show, Lincoln Centre, NYC, February 2015.
Fringed skirt. 
Recreate Martha's look (kind of):
Monochrome striped sweater: Sacai Luck broderie panelled wool sweater,  Chloe striped sweater, Pam & Gela Block Stripe sweater, No.21 Stripe sweater with feather hem, Free People At The Beach pullover, Cedric Charlier striped fringed sweater, or Mango Premium striped sweater
ThePerfext Linda Fringe skirt, Tom Ford Fringed midi skirt, Tamara Mellon Leather fringed skirt, Nasty Gal Devil's Gate fringed skirt, Trouve faux leather fringed skirt, Elie Tahari Carmen suede skirt with fringe hem, Andrew Gn crotched fringed skirt, or Alice + Olivia Malinda fringed leather skirt