Design Your Own Birchbark Container Fold corners 鈥淓鈥 along the dotted lines. Next, crease the 鈥淔鈥 dotted lines. Overlap the folded corners 鈥淓,鈥 as shown in the image on the right. Use a bamboo skewer to pierce the container at each end. Thread raffia through the holes on each end and tie to hold the