Goal:
How to mark the specific line you are on when you stop reading a book?
Answer:
Use a traditional bookmark, laminate a small piece of paper and secure it to the bookmark, then raise and drop the bookmark so the laminate paper lines up with your line

Goal:
razor
Answer:
can be used as a dart

Goal:
To measure 1 cup of ingredients without a 1 cup measuring cup,
Answer:
simply use a 1/2 cup measuring cup twice.

Goal:
How do I get the wood I am working on to be smoother?
Answer:
Use some sandpaper to buff the wood.