Does keeping the Umbilical cord of  new born cat actually bring good luck?

On my Native land in maternity homes of mother gave a part of an umbilical cord of its child, fastened in set of knots and when to the child 4-5 years it were executed gave to it that it has untied all these knots. If the child coped with this task quickly, it means sharp and can solve all karmic problems in a life. I too untied the karmic knots, and I do not complain yet, yes the help from anybody never asked. Well, and the umbilical cord of a cat, it already your whims though they too should have the roots and as we the related people of one race, the reason means should be similar.

Yes, but it is difficult to get one as cat will eat it soon after birth of kittens.

That's true.. but how does one preserve it?

u need to wash off blood stains then dry it in sun light. once dried then u can keep it for years covered with cloth made up of silk ( yellow color ).

dont keep it in pooja room or near gods idle/photos.