Please choose the correct solution to the question: To give a dog a hygiene cut,

Solution1: shave from the center of the bottom breast bone backward, shaving the belly and private parts and shave around the anus with a very sharp knife.

Solution2: shave from the center of the bottom breast bone backward, shaving the belly and private parts and shave around the anus with an electric shaver.

Answer format: solution1/solution2
Answer: solution2