Use "secret" hand signals to have students SHOW you what they need. Each finger means something different, so the teacher can differentiate what kids need when there are 7 hands raised! Great classroom management technique for nonverbal communication.
Finger tattoos, I never thought about this but you could get a tattoo on the finger that corresponded with it, like if u wanted love then put it on ur pointer finger or If it was ur husband/wife then on ur ring finger
From Erin Wasson to Cara Delevingne: The Coolest Model Tattoos Ever