How to Materially Innovate Mask out of American apparel skirt and bra strap ( Recycled skirt mask ) by Madhavi Ghiotti 04 / 25 / 2020 Look for an old American apparel high waisted skirt. Find the straps from an old bra. Use cotton from a pillow case for the lining. attach bra strap to neoprene mask. wash after use, re-used, recycle.