It is impossible to predict how this object will develop in the future. The shape is likely to hold the same mechanism, using as the innovative part, for example, different technological applications. However, due to the simplicity and efficiency of this object, it allows major developments in the mechanical aspect. As can be seen from his earliest "ancestors" of thousands of years ago, its shape does not change much. Probably can be replaced by any other objects with the same function not involving sharp tip.
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