Traditionally a finger condom to used like a glove to protect a finger that has been cut;
Althought one can use it to protect the finger when finger banging.
When finger banging J wore a finger condom cause his girlfriend hasn't wash her cunt for a week.
Traditionally called a finger cot. These offer protection for fingers in various activities.
Jane stole some finger condoms from her chemistry lab to use at her own leisure.