Parkland teen Emma González breaks down down the biggest problem with the clear backpacks.

Will clear backpacks save the students at Marjory Stoneman Douglas High School from future gun violence? They sure don't seem to think so. The students were recently given clear backpacks to wear as a "protective measure" in the wake of the devastating February massacre at the Parkland, FL school. The see-through bags are now the only backpacks allowed on campus and students have made it clear they are not here for this band-aid measure.

If you're confused about why these students are so angry about backpacks, Emma González, one of the survivors and often the face of the movement, broke it down succinctly and beautifully on Twitter: