You are able to do this by means of the nerves of touch, which are found in the skin in all parts of the body.

If you wished to know how an object feels, would you touch it with the elbow, or the knee, or the cheek?
You will say, No.
You would feel of it with the hand, and would touch it with the ends of the fingers.

You can feel objects better with the ends of the fingers because there are more nerves of touch in the part of the skin covering the ends of the fingers than in most other parts of the body.
~30.~ The sense of touch is more delicate in the tip of the tongue than in any other part.

This is because it is necessary to use the sense of touch in the tongue to assist the sense of taste in finding out whether things are good to eat or not.

The sense of touch is also very useful to us in many other ways.