I used the yogurt containers on the inside of the sheath as a lining to add durability and prevent the knife from puncturing and slicing the sheath.
the sheath is very strong, I practiced sliding the knife in and out of the sheath a few hundred times- no exaggeration- and the sheath held up extremely well. The belt loop holds it up very nicely. something you could wear and use every day. It would probably look cool with some different colors of duct tape.
try it yourself, id love to see improvements and additions to my design.