Two valuable objects that every person owns in their house hold, a knife and clothes hanger can be passed over to the next generation they can be made personal to the one who owns it first.

Starting from a fingerprint, which is unique for every individual, and a marker of identity. 

The imprint of a persons fingertips inlayed with messing in wood will evoke a temperature difference on places where the tips are placed on the products. 

In this way the next generation or inheritor can sense their beloved ones personal finger print while using this product.