Problem: A person's hands are seen holding a rube and spinning it around. the person

Answer: turns the cube all over it's sides while attempting to solve the puzzle.

Problem: How to copy a key
Hold the teeth on one side of the key over an open flame until they are charred.
Use a lighter or a lit candle. Move the teeth of the key back and forth over the flame.

Answer: It should take around 1 or 2 minutes to blacken one side of the key. Once the key is charred on one side, set it down until it is cool to the touch.

Problem: How to make french onion dip
Add the oil, salt and onions to a pot.
Alternately, you can use a pan or a skillet. Make sure those onions are as thinly diced as possible if you want the dip to have a creamy, even texture.
Answer: If you like the more lumpy consistency, though, then you can dice the onions a bit thicker. Cook on medium heat until the onions are caramelized (this should take about 20 minutes).