There is a wide range of specific customs related to the issue of covering the head, including what to cover it with.
The tassels of the Tallit, called tzitzit (or tzitzis) in Hebrew, are explicitly intended to serve as a reminder of God’s commandments.
There were places where the tefillin were no longer black, but nearly see-through. What they needed was a good thick coat of paint.
Rabbi Julie Schwarzwald on wearing Tefillin: As I go about my work and my mundane routine, I am regularly reminded of what is holy.
Tefillin, ritual black boxes used for prayer, are a powerful and physical way of connecting to God. Here’s how to do it.