What is the meaning of draw a blank?
Meaning: to fail to get an answer or a result; be unsuccessful. You draw a blank when you attempt to recall something and fail, or when you try to come up with a solution to a problem and can’t think of one.
What is a 4C hair?
4C textures are similar to 4B textures, but the tightly coiled strands are more fragile and have a very tight zig-zag pattern that is sometimes indiscernible to the eye. This hair type experiences the greatest amount of shrinkage — about 75 percent or more — than the other textures.