Why could the streak of corundum be difficult to determine?
Related Questions
- Because of the similarity/inconsistencies in packaging of NuBras, it is sometimes difficult to determine if you have received the correct NuBra. One of the most common questions I receive is - Is this a Feather-Lite or a Super Padded?
- Its difficult to determine which direction the camera is facing. How can I tell?
- Why could the streak of corundum be difficult to determine?