When you have a pain in your knee and a gynecologist tells you something and a dentist tells you another, you turn to an orthopedic doctor because this is his specialty.

Likewise, in the issue you are asking about, you don’t need someone who is expert in Fqih to tell you what is halal and what is haram. You need an expert in the science of Hadeeth to tell you whether the hadeeth is authentic or not.

And when we do that, they tell us that the Sunnah of the Prophet that he used to put it on his chest and that the hadeeth of the navel is weak.

In four schools of thought if a hadith is considered to be sahih by one and daeef by other, how can I find out that this hadees is really sahih, when both schools of thought provide many evidences. This problem occurs when discussing the rules of salah