5) If your nails are starting to look like you just competed in a mud wrestling competition, you can clean them with it.
4) Have a case of the afternoon munchies? Cacti are excellent sources of nutrients. Either pull the needles out for a cucumber like delight or leave them in and practice building your pain tolerance.
3) A cactus is a great place to stick annoying post-it note reminders that you’d rather just forget about.
2) Booby trap your workspace from over-curious janitor hands.
1) Last but not least, you can use it as a mace on anyone foolish enough to take your stapler.