You believe this? The turks ruled muslim land after mongol invasion. They may need something like this to legitimise their rule over arabs.
Egyptians defeated the Mongols decisively in battle of ayn jalut (eye of the goliath)
These personal effects are supposedly taken from Egypt/Cairo.
Unlike polytheists or other mumb jumbo believers, Muslims don't believe in worshipping personal belongings or personal effects of the Prophet (PBUH),, Muslims also don't believe such personal belongings are magical in anyway or confer some worldly or heavenly benefits upon believers
Muslims are the strictest of Monotheists in the world