Usually
done with a micro penis and your partners toes,
popular with a gay
man and trans male,
It’s when the micro penis penetrates under your toe nail, typically done using the big toe
You have to have long toe nails for this action.
Charles: “hey
man wanna have some toe penetration sex?”
Willy: “sure! Let me
get my trans micro penis out, prepare your toes Charles.”
Charles: “hmmmm~”