Matching Extremities

Riddle: I have four of these, With matching extremities. They can do many things, And hardly ever bring me pain. Unless I stick them with a pin, Or burn them sometimes when... What is it that I can wiggle at will? And use in other means still?

Answer: Fingers.

Source: https://www.riddles.com/944

I have four of these, With matching extremities. They can do many things, And hardly ever bring me pain. Unless I stick them with a pin, Or burn them sometimes when... What is it that I can wiggle at will? And use in other means still? — Matching extremities by Anonymous v1.

Riddle: I have four of these, With matching extremities. They can do many things, And hardly ever bring me pain. Unless I stick them with a pin, Or burn them sometimes when... What is it that I can wiggle at will? And use in other means still? Answer: Fingers. — by Anonymous v2.