Choose a large rectangular bedsheet or fabric
Hold the fabric lengthwise behind your back
Bring one end across your chest and over one shoulder
Wrap the rest around your body
Tuck the fabric into the waistband or under the wrapped layer
Pin the shoulder area with safety pins if needed
Adjust the folds so it stays secure
Add a belt or rope around the waist if desired
Check that the hem length is comfortable
Smooth and tighten any loose areas