A finger shield was used to protect the finger from a needle rather than for pushing needles.
Digital source of illustration (retrieved 8th July 2016).
GVE
A finger shield is also known as a finger stall, finger guard or a finger protector. It is basically a thimble made from a ring with a long shield attached to it. It can be made of a very wide range of materials. Finger shields often have a crown or a partial crown, while being open down one long side (the side far away from the needle).
A finger shield was used to protect the finger from a needle rather than for pushing needles.
Digital source of illustration (retrieved 8th July 2016).
GVE