instruction: I'm planning a month-long trip and am wondering which of these items are okay to be kept in a carry-on bag. Could you help classify these items as "allowed" or "not allowed" by the TSA? Toothbrush, Cologne, Beard Shaver, Alcohol, and Bottle Opener.
response: Here is what's allowed and what's not allowed in your carry-on luggage:
  - Allowed: Toothbrush, Cologne (3.4 Ounces), Beard Shaver
  - Not allowed: Alcohol, Bottle Opener